Iodine is a chemical element which is an essential for life. Not getting enough Iodine can result in Iodine deficiency which has severe repercussions.



  • Has a positive effect on one’s IQ [3]
  • Iodine deficiency is linked to low IQ levels [2][4][5][6]
  • Low Iodine in pregnant mothers lowers child’s IQ [5][6]

Buy Iodine Now!

What Is Iodine?

Iodine is an essential element used by almost all life for a variety of different biological functions. It is even used by certain bacteria to assist with enzyme function. Not getting enough Iodine in your diet can lead to iodine deficiency.  This is a very serious condition that effects close to two billion people through the entire world. This can lead to an assortment of symptoms including mental retardation, extreme fatigue, depression, and weight gain. [1] In fact, iodine deficiency is the leading cause of preventable mental retardation worldwide.[2] Since this discovery, multiple studies have been conducted to determine if Iodine supplements can be used to increase fluid intelligence and raise one’s IQ.

Iodine Dosage Information

The Iodine dosage you should consume greatly depends on your age. WebMD provides the following recommendation for dietary supplementation.

  • Ages 1-8:                             90mcg/day
  • Ages 9-13:                           120mcg/day
  • Ages 14+                              150mcg/day
  • Pregnant Women:           209mcg/day

WebMD recommends that you avoid prolonged use of doses exceeding 1100mcg per day. In children doses should not exceed 200mcg per day for ages 1-3, 300mcg for ages 4-8, 600mcg per day for ages 9-13, and 900mcg for those under 18.

How Does Iodine Work?

Iodine is required to synthesize thyroid hormones. These hormones act on nearly every cell in the body, playing an important role in many bodily and neurological functions:

  • Helps to regulate the amounts of serotonin, norepinephrine, and GABA in the brain
  • Regulates body temperature
  • Increases the basal metabolic rate
  • Effects protein synthesis
  • Helps regulate bone growth

Safety and Side Effects of Iodine

Even though at suggested doses Iodine is regarded as being very safe for long-term use there is a chance for serious side effects in predisposed people.

Common side effects associated with Iodine include nausea, runny nose, and diarrhea.

Some people have a predisposed sensitivity to Iodine. These people may experience allergic side effects that include swelling of the lips and face, bleeding or bruising, fever, or joint pain.

High iodine intake is associated with increased risk of thyroid problems. Because of this anyone taking medication for an overactive thyroid should never take iodine. Names for some of these medications include Methimazole, Tapazole, and Thyro-Block.

Where Can I Buy Iodine?

Iodine may be difficult to find locally however it is readily available online. Our Buyer’s Guide (in progress) compares prices of Iodine amongst different online retailers.You can get it for cheap here.

Buy Iodine Now!


Iodine FAQ

Below are some of the most commonly asked questions about Iodine. If you have a question that’s not on this list, send it to us at and we will answer it for you.

Should I Use Iodine?

What Are Some Notable Iodine Studies?

Cited Studies

1.  Felig, Philip; Frohman, Lawrence A. (2001). “Endemic Goiter”. Endocrinology & metabolism. McGraw-Hill Professional. ISBN 9780070220010

2.  McNeil, Donald G. Jr (2006-12-16). “In Raising the World’s I.Q., the Secret’s in the Salt”. New York Times. Retrieved 2008-12-04.





Disclaimer: No statements on this website have been reviewed by the Food and Drug Administration. No products mentioned on this website are intended to diagnose, treat, cure or prevent any diseases. All editorials on this site were written by volunteer editors and do not claim or state to be medical professionals giving medical advice. This website is only for the purpose of providing information. Please consult with your doctor before starting any mental health programs or dietary supplements. If you feel any of this informtion is inaccurate contact us and we will verify and implement your correction within about 48 business hours. Also note that we have multiple affiliates and we are paid commission on various products by different compagnies and or advertisers. If you wish to advertise with us, please contact us. Any and all trademarks, logos and service makrs displayed on this site are registered or unregistered Trademarks of their respective owners.