{"id":35567,"date":"2026-04-30T18:11:55","date_gmt":"2026-04-30T17:11:55","guid":{"rendered":"https:\/\/jegharkraeft.dk\/?p=35567"},"modified":"2026-04-30T20:06:35","modified_gmt":"2026-04-30T19:06:35","slug":"iodine","status":"publish","type":"post","link":"https:\/\/jegharkraeft.dk\/en\/iodine\/","title":{"rendered":"Iodine and cancer"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull is-style-section-5 has-contrast-color has-base-background-color has-text-color has-background has-link-color wp-elements-2c42066faaffec5e2cdadf0ed0eb1928 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained is-style-section-5--2\" id=\"menu\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-ca2dd60b wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-custom-int-link-p-sort-1-color has-text-color has-link-color wp-elements-a867a5e69af727a1b962d2b1d75fb9e7\"><span class=\"ez-toc-section\" id=\"Dietary_Supplements_Grouped_by_Effect\"><\/span><a href=\"https:\/\/jegharkraeft.dk\/en\/kosttilskud-grupperet\/\"><\/a><a href=\"https:\/\/jegharkraeft.dk\/en\/kosttilskud-grupperet\/\">Dietary Supplements Grouped by Effect<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dietary_Supplements_Alphabetical\"><\/span><a href=\"https:\/\/jegharkraeft.dk\/en\/supplements-alphabetically\/\">Dietary Supplements Alphabetical<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h4 class=\"wp-block-heading has-custom-int-link-p-sort-1-color has-text-color has-link-color wp-elements-07b4cffc43faba0fb5db802cb3ccddba\"><a href=\"https:\/\/jegharkraeft.dk\/en\/acai-berries-and-cancer\/\">A,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/baicalin\/\">B,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/cats-claw-tomentosa\/\">C,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/danshen\/\">D,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/echinacea\/\">E+F,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/garcinia-cambogia\/\">G,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/hemp-seeds\/\">H,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/indol-3-carbinol\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-hvid-tekst-color\">I+J+K<\/mark><\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-interne-links-color\"><a href=\"https:\/\/jegharkraeft.dk\/en\/indol-3-carbinol\/\">,<\/a><\/mark><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/lions-mane\/\">L,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/maitake\/\">M,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/n-acetyl-cysteine\/\">N,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/omega-3\/\">O,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/peppermint\/pebermynte\/\">P<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-interne-links-color\">,<\/mark><\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/quercetin\/\">Q,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/reishi\/\">R,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/selenium\/\">S,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/thc-cannabis\/\">T,<\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-sort-tekst-color\">.<\/mark> <a href=\"https:\/\/jegharkraeft.dk\/en\/vitamin-b\/\">U+V+Z<\/a><\/h4>\n\n\n\n<ul class=\"wp-block-list has-custom-hvid-tekst-color has-text-color has-link-color wp-elements-d3d0b3c73d51ad5ccfb80c64d4d8b636\">\n<li class=\"has-custom-int-link-p-sort-1-color has-text-color has-link-color wp-elements-912c9fe7de49a37cb9a2f692ce8f8bf5\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-her-st-r-du-color\"><a href=\"https:\/\/jegharkraeft.dk\/en\/indol-3-carbinol\/\">Indole-3-carbinol<\/a><\/mark><\/li>\n\n\n\n<li class=\"has-custom-int-link-p-sort-1-color has-text-color has-link-color wp-elements-3f9b516c9f4aed3e6889cd0b3d1ae8df\"><a href=\"https:\/\/jegharkraeft.dk\/en\/inositol\/\">Inositol<\/a><\/li>\n\n\n\n<li class=\"has-custom-int-link-p-sort-1-color has-text-color has-link-color wp-elements-532ca12a24e4810541cd0b48f7f7dc0a\"><a href=\"https:\/\/jegharkraeft.dk\/en\/ip6-inositol\/\">IP6 &#8211; Inositol Hexaphosphate Phytic Acid<\/a><\/li>\n\n\n\n<li class=\"has-custom-her-st-r-du-color has-text-color has-link-color wp-elements-5954cd3df31293bf217c174041a6885c\"><a href=\"#jod\">Iodine (scroll down)<\/a><\/li>\n\n\n\n<li class=\"has-custom-int-link-p-sort-1-color has-text-color has-link-color wp-elements-84b9aaa337af5b577cb8f5b1d11f48e6\"><a href=\"https:\/\/jegharkraeft.dk\/en\/krill-oil\/\">Krill oil<\/a><\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod16.jpg\" alt=\"Jod symboliseret ved gr\u00f8nt pilleglas fra Swanson med p\u00e5skriften Kelp, Thyroid Support.\" class=\"wp-image-35556\" style=\"aspect-ratio:3\/2;object-fit:cover;width:550px\"\/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull is-style-default has-global-padding is-layout-constrained wp-container-core-group-is-layout-b040ace0 wp-block-group-is-layout-constrained has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--60);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--20);background-image:url(&apos;https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod16.jpg&apos;);background-position:44% 36%;background-size:cover;\">\n<div class=\"gb-element-906497af\">\n<h1 class=\"wp-block-heading\" id=\"jod\"><span class=\"ez-toc-section\" id=\"Iodine_as_a_supplementary_treatment_for_cancer\"><\/span>Iodine as a supplementary treatment for cancer<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-custom-sort-tekst-color has-alpha-channel-opacity has-custom-sort-tekst-background-color has-background\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">Summary of Iodine<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Effect:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Iodine is an essential trace element that is crucial for metabolism. It also functions as an antioxidant, strengthens the immune system, and can cause cancer cells to commit suicide (apoptosis).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Potential in cancer:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Research, especially in certain types of breast cancer, shows that iodine can improve the effectiveness of chemotherapy, counteract resistance, and reduce side effects. Its ability to be absorbed into tissues like the breast and prostate provides a targeted effect.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Primary limitation:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High doses of iodine can disrupt thyroid function and lead to either hypothyroidism (low metabolism) or hyperthyroidism (high metabolism). It is therefore important to use it thoughtfully, especially if you have a known thyroid condition.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Summary:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Iodine is a multifunctional substance with interesting potential as a supplementary cancer treatment. It can both attack cancer cells and strengthen the body&#8217;s defenses. However, it should be used with knowledge and respect for its potent effect on metabolism.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-custom-sort-tekst-color has-alpha-channel-opacity has-custom-sort-tekst-background-color has-background\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_iodine\"><\/span>What is iodine<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"943\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod18.jpg\" alt=\"Jod symboliseret ved foto af tang i havvand.\" class=\"wp-image-15229\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod18.jpg 960w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod18-600x589.jpg 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod18-300x295.jpg 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod18-768x754.jpg 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine is a vital trace element crucial for the formation of metabolic hormones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Research shows, however, that iodine has far more functions and is important, among other things, for the health of breast, prostate, and ovarian tissue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This broad action has led to an increasing interest in iodine&#8217;s potential as a supplementary agent in connection with cancer, where it can contribute to creating an environment in the body that is unfavorable for the growth of cancer cells.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">History<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine was discovered in 1811 and quickly recognized for its medical value. It became the primary treatment for goiter (enlarged thyroid gland) and was widespread as an effective antiseptic (Lugol&#8217;s iodine solution) before the era of antibiotics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In modern medicine, radioactive iodine is a standard treatment for certain types of thyroid cancer. Now, the potential of non-radioactive iodine in other forms of cancer is being intensely investigated.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mechanisms_of_action\"><\/span>Mechanisms of action<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod12.png\" alt=\"Jod symboliseret ved en dna-agtig snoet lodret tr\u00e5d i lyse farver p\u00e5 m\u00f8rk baggrund.\" class=\"wp-image-15223\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod12.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod12-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod12-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod12-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod12-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod12-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine&#8217;s potential against cancer is due to several concurrent mechanisms. Its most unique property is the ability to function differently in healthy cells and cancer cells.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Antioxidant and pro-oxidant<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">In healthy cells, iodine functions as an <strong>antioxidant<\/strong> that protects against DNA damage from free radicals. In cancer cells, on the other hand, iodine can act as a <strong>pro-oxidant<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It increases harmful oxidative stress inside the cancer cell to a lethal level, which can lead to the cell&#8217;s demise without damaging surrounding healthy cells to the same extent.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Induction of apoptosis<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod7.png\" alt=\"Jod symboliseret ved jodmolekyle i lilla. Det er to kugler med et I i det ene og I2 i det andet. Andre mindre og utydelige molekyler i baggrunden, der ogs\u00e5 er lilla.\" class=\"wp-image-15218\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod7.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod7-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod7-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod7-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod7-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod7-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cancer cells are masters at avoiding the body&#8217;s natural cleanup process, apoptosis (programmed cell death). Iodine, especially in its molecular form ($I_{2}$), can reactivate this process. This occurs by disrupting the cancer cells&#8217; &#8220;power plants&#8221; (mitochondria), which starts a chain of signals resulting in the cell&#8217;s self-destruction.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Iodolipids and cancer-inhibiting receptors<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Within the cells, iodine can bind to fatty acids and form so-called iodo-lipids. One of these, 6-iodolactone (6-IL), activates a receptor in the cell nucleus (PPAR$\\gamma$), which acts as a cancer inhibitor by slowing cell division, promoting cell &#8220;maturation,&#8221; and contributing to apoptosis.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Strengthening the immune system<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine can also strengthen the immune system&#8217;s ability to fight cancer. It can stimulate parts of the immune system (Th1 cells and interferon-gamma) that are crucial for directing an attack on cancer cells.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Potential_in_cancer\"><\/span>Potential in cancer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod6.png\" alt=\"Jod symboliseret ved en kr\u00e6ftagtig celle og runde figurer med I skrevet i midten af disse. M\u00f8rkere baggrund. Alt i lilla.\" class=\"wp-image-15217\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod6.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod6-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod6-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod6-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod6-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod6-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine&#8217;s potential as a supplementary treatment is not limited to one type of cancer but is being investigated across several, especially those in hormone-sensitive tissues.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The epidemiological observation that populations with a high iodine intake, such as in Japan, have a significantly lower incidence of breast, prostate, and uterine cancer has been a strong driver for research.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Breast cancer<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Breast tissue is, after the thyroid gland, one of the tissues in the body with the highest concentration of iodine. Iodine deficiency is believed to make breast cells more sensitive to estrogen stimulation, which is a known risk factor for hormone receptor-positive breast cancer. Molecular iodine ($I_{2}$) seems to have a specific link to breast tissue and exerts several beneficial effects:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Anti-estrogen effect<\/strong>: Iodine can downregulate the activity of estrogen receptors, making cells less sensitive to estrogen.<\/li>\n\n\n\n<li><strong>Reduction of fibrocystic tissue<\/strong>: Clinical studies have shown that supplementation with molecular iodine can alleviate symptoms of fibrocystic breast disease, a condition that in some cases is associated with a slightly increased risk of breast cancer.<\/li>\n\n\n\n<li><strong>Improvement of chemotherapy<\/strong>: A pilot study has shown that supplementation with molecular iodine given along with conventional chemotherapy to breast cancer patients could increase treatment effectiveness, reduce chemoresistance, and significantly decrease side effects.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-68c621ac156fa305a79ebd12d2dbd7f9 wp-block-paragraph\">[10]<a href=\"https:\/\/www.researchgate.net\/publication\/334519651_Adjuvant_Effect_of_Molecular_Iodine_in_Conventional_Chemotherapy_for_Breast_Cancer_Randomized_Pilot_Study\" target=\"_blank\" rel=\"noopener\">Adjuvant Effect of Molecular Iodine in Conventional Chemotherapy for Breast Cancer. Randomized Pilot Study<\/a> (ResearchGate, 2019)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Thyroid cancer<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Here, iodine&#8217;s role is well-known. Treatment with radioactive iodine (I-131) is standard treatment after surgery for differentiated forms of thyroid cancer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Since thyroid cells (and cancer cells derived from them) are specialized in absorbing iodine, a radioactive version of iodine can be used to target and destroy any remaining cancer cells in the body with minimal damage to other tissues. The principle utilizes the cancer cells&#8217; own biology against them.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Prostate cancer<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Like breast tissue, prostate tissue also has the ability to absorb and concentrate iodine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Preclinical studies, both <em>in vitro<\/em> (in test tubes\/petri dishes) and <em>in vivo<\/em> (in living organisms), have shown that both iodide ($I^{-}$) and molecular iodine ($I_{2}$) can inhibit the growth of prostate cancer cells and induce apoptosis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although clinical data are still limited, the lower incidence of prostate cancer in Japan points to a possible protective potential.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Other cancer forms<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine&#8217;s potential is also being investigated in connection with ovarian cancer, stomach cancer, and skin cancer (melanoma).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The mechanisms are generally the same: induction of apoptosis and inhibition of cell growth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Additionally, Lugol&#8217;s iodine solution is used in endoscopy to visualize precursors to esophageal cancer, as normal cells are stained dark brown by the iodine, while dysplastic (abnormal) cells and cancer cells remain unstained.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages_of_iodine\"><\/span>Advantages of iodine<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod17.png\" alt=\"Jod symboliseret ved planche af menneske med organ-symboler omkring. Lys baggrund.\" class=\"wp-image-15212\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod17.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod17-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod17-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod17-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod17-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod17-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">As a supplementary treatment, iodine involves several advantages beyond the direct cancer-inhibiting effect.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Improved treatment effect and fewer side effects<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Clinical data indicate that iodine can make cancer cells more sensitive to chemotherapy and thus improve the treatment outcome. At the same time, it has been shown to dampen the harsh side effects often associated with chemotherapy, significantly improving quality of life during the course.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Targeted action<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The body naturally concentrates iodine in the tissues where it has shown the greatest potential (thyroid, breast, prostate). This provides a more targeted action compared to many other treatments that affect the whole body.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Support for brain development<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine&#8217;s most critical role for the nervous system takes place during the fetal stage and in early childhood. Metabolic hormones, which are dependent on iodine, act as master conductors for the correct development of the brain, including the formation of connections between nerve cells and myelination (the protective fat layer around nerves).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine deficiency in the mother during pregnancy can therefore have serious consequences for the child&#8217;s cognitive potential.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Maintenance of mental sharpness<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">In adults, a stable production of metabolic hormones is crucial for maintaining cognitive function. Many with metabolic imbalances experience symptoms like brain fog, memory difficulties, and decreased concentration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Adequate iodine intake is the foundation for producing the hormones necessary for mental clarity.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Importance for mood and balance<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">There is a close and well-known connection between thyroid function and mental balance. The hormones iodine helps form influence the body&#8217;s overall energy level and can affect mood.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ensuring a healthy foundation for metabolism is therefore also an important element in supporting mental well-being.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disadvantages_and_limitations\"><\/span>Disadvantages and limitations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod11.png\" alt=\"Jod symboliseret ved en enkelt lys cellestruktur som er rund med fangarme ud p\u00e5 den flade den hviler p\u00e5. En lang str\u00e5le rammer den ovenfra. M\u00f8rk baggrund.\" class=\"wp-image-15222\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod11.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod11-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod11-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod11-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod11-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod11-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Although iodine is natural, it is potent, and high doses require caution. The primary concern is the impact on the thyroid gland.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Disruption of metabolism<\/strong>: A sudden, high intake of iodine can temporarily slow down the production of metabolic hormones (hypothyroidism), especially in people with autoimmune thyroid diseases. Conversely, in people with nodules in the thyroid gland, it can provoke overproduction (hyperthyroidism).<\/li>\n\n\n\n<li><strong>Need for more research<\/strong>: Although initial results are extremely promising, more large clinical studies are needed to finally establish iodine&#8217;s role and optimal dosage in cancer treatment.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Clinical_studies\"><\/span>Clinical studies<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod10.png\" alt=\"Jod symboliseret ved planche med oversigt over virkning af jod. Der er advarselstegn og celler. lys baggrund.\" class=\"wp-image-15221\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod10.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod10-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod10-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod10-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod10-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod10-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A key pilot study on breast cancer patients showed that a daily supplement of molecular iodine along with chemotherapy resulted in a significantly better treatment response and higher disease-free survival compared to chemotherapy alone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While the use of radioactive iodine in thyroid cancer is well-documented, research into iodine for other types of cancer is still at an earlier stage, but with highly encouraging preliminary results.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Safety\"><\/span>Safety<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod5.png\" alt=\"Jod symboliseret ved et to-delt billede. den venstre side viser et halvt gyldent skjold og h\u00f8jre side nogle lilla str\u00e5ler ind mod midten, hvor der er en halv cellelignende figur. Spraglet m\u00f8rklilla baggrund.\" class=\"wp-image-15216\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod5.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod5-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod5-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod5-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod5-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod5-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">When using iodine as a supplement, it is important to ensure you also get enough of the trace element selenium, as the two work closely together to protect the thyroid gland.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is also a good idea to know your thyroid status before starting high doses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine has few known interactions with medication, but caution should be exercised with concurrent use of certain types of blood pressure and diuretic medications.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Caution with<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Be cautious with iodine supplements, especially those containing potassium iodide, if you are taking the following types of medication:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Potassium-sparing diuretics<\/strong>: These drugs increase the body&#8217;s potassium levels. Since iodine supplements are often in the form of potassium iodide, a combination can lead to high levels of potassium in the blood (hyperkalemia), which can be dangerous for the heart.\n<ul class=\"wp-block-list\">\n<li><strong>Examples<\/strong>: Spironolactone (Spiron, Aldactone), Amiloride, Eplerenone (Inspra).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>ACE inhibitors (blood pressure medication)<\/strong>: This type of medication is used to treat high blood pressure and heart failure. They can also increase potassium levels in the body; therefore, the same caution applies.\n<ul class=\"wp-block-list\">\n<li><strong>Examples<\/strong>: Enalapril, Lisinopril, Ramipril.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Angiotensin II receptor blockers (ARBs) (blood pressure medication)<\/strong>: These work similarly to ACE inhibitors and entail a risk of elevated potassium when used concurrently with potassium iodide.\n<ul class=\"wp-block-list\">\n<li><strong>Examples<\/strong>: Losartan, Valsartan, Candesartan.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Anti-thyroid drugs<\/strong>: If you are taking medication to dampen an overactive thyroid, iodine intake can counteract the effect of your medication or worsen your condition.\n<ul class=\"wp-block-list\">\n<li><strong>Examples<\/strong>: Thiamazole (Thycapzol), Propylthiouracil.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dispensing_and_application\"><\/span>Dispensing and application<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod9.png\" alt=\"Jod symboliseret ved foto af pipetteflaske med jod, jodpulver i hvidt i en hvid porcel\u00e6nssk\u00e5l og et klart pilleglas med gr\u00f8nne piller. Det st\u00e5r p\u00e5 en lys flade.\" class=\"wp-image-15220\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod9.png 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod9-300x300.png 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod9-100x100.png 100w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod9-600x600.png 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod9-150x150.png 150w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod9-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine as a supplement is available in various forms that work and are absorbed differently.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Potassium Iodide ($I^{-}$)<\/strong>: The most common form in salt and multivitamins, primarily absorbed by the thyroid gland.<\/li>\n\n\n\n<li><strong>Molecular Iodine ($I_{2}$)<\/strong>: A form that especially seems to have an effect in breast and prostate tissue.<\/li>\n\n\n\n<li><strong>Lugol&#8217;s Iodine Solution<\/strong>: A mixture of the two forms above, providing a broad effect.<\/li>\n\n\n\n<li><strong>Seaweed-based supplements<\/strong>: Natural sources like kelp, containing iodine in organic form.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Note<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Discuss the use with your practitioner before starting to use iodine supplements, so you can clarify if there are specific risks in your specific situation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"731\" src=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod19.jpg\" alt=\"Jod symboliseret ved dramatisk billede af tang i bev\u00e6gelse i havvand. Der er gr\u00f8nne, turkise og orange farver.\" class=\"wp-image-15228\" style=\"object-fit:cover;width:150px;height:150px\" srcset=\"https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod19.jpg 1280w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod19-600x343.jpg 600w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod19-300x171.jpg 300w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod19-1024x585.jpg 1024w, https:\/\/jegharkraeft.dk\/wp-content\/uploads\/2025\/07\/Jod19-768x439.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Iodine is an extremely interesting supplement in an integrated approach to cancer. Its ability to both fight cancer cells directly, strengthen the immune system, and improve the effectiveness of conventional treatment makes it a unique tool.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The existing data are promising and point to a significant potential.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An informed approach, respecting iodine&#8217;s potent effect and taking safety aspects into account, is crucial for achieving the best results.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Back to <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/jegharkraeft.dk\/en\/supplements-alphabetically\/\">Dietary supplements<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">See also <a href=\"https:\/\/jegharkraeft.dk\/en\/kosttilskud-og-kemoterapi\/\">Dietary Supplements and Chemotherapy<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"jod\">See also <a href=\"https:\/\/jegharkraeft.dk\/en\/nutrition-and-diet-in-cancer\/\">Nutrition and Diet as a Strategy<\/a><\/p>\n\n\n\n<p class=\"has-custom-menu-links-color has-text-color has-link-color wp-elements-9190cfe395c28e4d2ec89873338ddaa5 wp-block-paragraph\"><a href=\"#menu\">(to menu)<\/a><a href=\"https:\/\/jegharkraeft.dk\/en\/supplements-alphabetically\/\"><\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Links<\/h4>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-5456a4f1faebba959f509e74219cd77b wp-block-paragraph\">[1]\u00a0<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11731950\/\" target=\"_blank\" rel=\"noreferrer noopener\">Exploring the promising therapeutic benefits of iodine and radioiodine in breast cancer cell lines<\/a>\u00a0(PubMed, 2024)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: The study shows that iodine and radioiodine can reduce the survival of breast cancer cells in the laboratory. Iodine had a toxic effect on the cells, especially at high doses, and radioiodine increased this effect.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-742b01bce65aee0094fcbfef6f250f1c wp-block-paragraph\">[2]\u00a0<a href=\"https:\/\/www.mdpi.com\/1422-0067\/25\/16\/8822\" target=\"_blank\" rel=\"noreferrer noopener\">Molecular Iodine Improves the Efficacy and Reduces the Side Effects of Metronomic Cyclophosphamide Treatment against Mammary Cancer Progression<\/a>\u00a0(MDPI, 2024)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: The study shows that molecular iodine ($I_{2}$) can improve the effect of low-dose metronomic chemotherapy with cyclophosphamide in mice with breast cancer. $I_{2}$ reduces tumor growth, protects against weight loss and bleeding, and increases the body&#8217;s antitumor immune response.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-5d0b1a8409b2f503ca406a2686e3c98c wp-block-paragraph\">[3]\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40508009\/\" target=\"_blank\" rel=\"noreferrer noopener\">Potassium Iodide Induces Apoptosis in Salivary Gland Cancer Cells<\/a>\u00a0(PubMed, 2025)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: The study shows that treatment with potassium iodide (KI) can inhibit growth and induce apoptosis in salivary gland cancer cells by increasing oxidative stress.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-084039043a6a32f251abe7c1a7198b41 wp-block-paragraph\">[4]\u00a0<a href=\"https:\/\/www.researchgate.net\/publication\/376690642_The_Potential_of_Iodine_as_A_Treatment_for_Breast_Cancer_A_Narrative_Review\" target=\"_blank\" rel=\"noreferrer noopener\">The Potential of Iodine as A Treatment for Breast Cancer: A Narrative Review<\/a>\u00a0(Research Gate, 2023)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: Research shows that iodine can have anticancer properties in breast cancer by inhibiting growth, inducing apoptosis, and activating the immune system.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-28d0be79c92afadd2e3c90b55a1d8699 wp-block-paragraph\">[5]\u00a0<a href=\"https:\/\/www.mdpi.com\/1422-0067\/22\/3\/1228\" target=\"_blank\" rel=\"noreferrer noopener\">Molecular Iodine Has Extrathyroidal Effects as an Antioxidant, Differentiator, and Immunomodulator<\/a>\u00a0(International Journal of Molecular Sciences, 2021)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: An important review article describing iodine&#8217;s many functions outside the thyroid gland. It explains how molecular iodine ($I_{2}$) in cancer cells can form iodolipids that activate apoptosis pathways.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-8c756b8bbcc62b04201b89223234c9ea wp-block-paragraph\">[6]\u00a0<a href=\"https:\/\/brooklynneuroacupuncture.com\/wellness-blog\/\/iodine-for-thyroid-breast-prostate-pregnancy-and-cancer-prevention\" target=\"_blank\" rel=\"noreferrer noopener\">Iodine for thyroid, breast, prostate, pregnancy and cancer prevention\u00a0<\/a>(Brooklyn NeuroAcupuncture, 2015)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: Iodine is essential for the thyroid, fetal development, and cancer prevention. Deficiency can cause fatigue, nodules, and cancer.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-21e2fb33cd20c627630bd388df058774 wp-block-paragraph\">[7]\u00a0<a href=\"https:\/\/www.medsci.org\/v05p0189.htm\" target=\"_blank\" rel=\"noreferrer noopener\">Iodine Alters Gene Expression in the MCF7 Breast Cancer Cell Line: Evidence for an Anti-Estrogen Effect of Iodine<\/a>\u00a0(International Journal of Medical Sciences, 2028)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: Research shows that iodine can affect breast cancer at the molecular level by changing gene expression in cancer cells, suggesting an anti-estrogen effect.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-852a2c239a2fb60e434b4d84f1cc0e01 wp-block-paragraph\">[8]\u00a0<a href=\"https:\/\/www.researchgate.net\/publication\/7102426_Molecular_Iodine_Induces_Caspase-independent_Apoptosis_in_Human_Breast_Carcinoma_Cells_Involving_the_Mitochondria-mediated_Pathway\" target=\"_blank\" rel=\"noreferrer noopener\">Molecular Iodine Induces Caspase-independent Apoptosis in Human Breast Carcinoma Cells Involving the Mitochondria-mediated Pathway<\/a>\u00a0(Research Gate, 2006)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: Molecular iodine ($I_{2}$) can induce cell death (apoptosis) in several breast cancer cells, especially via a mitochondria-based pathway.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-2e5137c3a2c5da55f041862f611c9ded wp-block-paragraph\">[9]\u00a0<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4573306\/\" target=\"_blank\" rel=\"noreferrer noopener\">Activation of peroxisome proliferator-activated receptor gamma is crucial for antitumoral effects of 6-iodolactone<\/a>\u00a0(PubMed, 2015)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: The study shows that molecular iodine ($I_{2}$) and its active metabolite 6-iodolactone (6IL) can inhibit growth and promote death of breast cancer cells through activation of PPARG receptors.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-0f660dbe0550fe1aa6833b82b3103024 wp-block-paragraph\">[10]\u00a0<a href=\"https:\/\/www.researchgate.net\/publication\/334519651_Adjuvant_Effect_of_Molecular_Iodine_in_Conventional_Chemotherapy_for_Breast_Cancer_Randomized_Pilot_Study\" target=\"_blank\" rel=\"noreferrer noopener\">Adjuvant Effect of Molecular Iodine in Conventional Chemotherapy for Breast Cancer. Randomized Pilot Study<\/a>\u00a0(ResearchGate, 2019)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Content: A key pilot study showing that iodine as a supplement to chemotherapy significantly improved treatment response and disease-free survival.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-custom-sort-tekst-color has-text-color has-link-color wp-elements-61254c8e2db77d1580d0407aa15d16c5 wp-block-paragraph\"><strong>Page created:<\/strong> Jul 10, 2025. Last revised: Apr 30, 2026.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-menu-links-color\">\u2764<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>What you read on Jeg har Kr\u00e6ft is not a recommendation. Seek competent guidance.<\/em><\/strong><\/p>\n<\/div>\n<\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Indhold<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Dietary_Supplements_Grouped_by_Effect\" >Dietary Supplements Grouped by Effect<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Dietary_Supplements_Alphabetical\" >Dietary Supplements Alphabetical<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Iodine_as_a_supplementary_treatment_for_cancer\" >Iodine as a supplementary treatment for cancer<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#What_is_iodine\" >What is iodine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Mechanisms_of_action\" >Mechanisms of action<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Potential_in_cancer\" >Potential in cancer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Advantages_of_iodine\" >Advantages of iodine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Disadvantages_and_limitations\" >Disadvantages and limitations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Clinical_studies\" >Clinical studies<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Safety\" >Safety<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Dispensing_and_application\" >Dispensing and application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/jegharkraeft.dk\/en\/iodine\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dietary Supplements Grouped by Effect Dietary Supplements Alphabetical A,. B,. C,. D,. E+F,. G,. H,. I+J+K,. L,. M,. N,. O,. P,. Q,. R,. S,. T,. U+V+Z Iodine as a supplementary treatment for cancer Summary of Iodine Effect: Potential in cancer: Primary limitation: Summary: What is iodine Iodine is a vital trace element crucial for the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[389,375,374],"tags":[],"class_list":["post-35567","post","type-post","status-publish","format-standard","hentry","category-supplements","category-alternative-treatments","category-treatments"],"modified_by":"Hanne Kj\u00e6r Uhlig","wpml_current_locale":"en_US","wpml_translations":[],"_links":{"self":[{"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/posts\/35567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/comments?post=35567"}],"version-history":[{"count":5,"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/posts\/35567\/revisions"}],"predecessor-version":[{"id":35672,"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/posts\/35567\/revisions\/35672"}],"wp:attachment":[{"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/media?parent=35567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/categories?post=35567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jegharkraeft.dk\/en\/wp-json\/wp\/v2\/tags?post=35567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}