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Potassium Iodide

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Potassium iodide (KI) is an ionic salt that is a source of the essential element, iodine. Potassium plays an important role in human metabolism and is essential for proper muscle function, certain neurological mechanisms and as an electrolyte. Iodine is required by the body, meaning that humans must have a continual supply in their diet in order to maintain good health (see table below for the Recommended Dietary Allowance based on age). Potassium iodide consists of 76.5% iodine by mass.

Optimal iodine intake is necessary for normal thyroid function. The thyroid gland takes iodine from the blood and incorporates it into thyroid hormone, which is then released into circulation when needed. Thyroid hormone, or thyroxine, regulates multiple physiologic processes that include growth, development, metabolism and reproductive function. It also aids in the conversion of food to energy and the maintenance of body temperature.

The thyroid isn't the only organ that uses iodine. The breast, prostate gland and skin also take up iodine for use in their intracellular activities.

Table 1. Recommended Dietary Allowance of Iodine Based on Age.

Age Iodine Potassium Iodide
Infants (0-6 months) 110 micrograms/day (AI*) 145 mcg/day
Infants (7-12 months) 130 mcg/day (AI*) 171 mcg/day
Children, 1-8 years 90 mcg/day 118 mcg/day
Children, 9-13 years 120 mcg/day 158 mcg/day
Adolescents, 14-18 years 150 mcg/day 197 mcg/day
Adults, 19 years and older 150 mcg/day 197 mcg/day
Pregnant women, all ages 220 mcg/day 289 mcg/day
Nursing women, all ages 290 mcg/day 382 mcg/day
Supplement Facts
Potassium Iodide Supplement Facts

Disclaimer: This scientific independent research is provided by Aisle7 and is for informational use only. PureBulk provides this information as a service but does not endorse it. Likewise, Aisle7 does not recommend or endorse any specific PureBulk products.


Potassium Iodide

Common brand names:

Pima, SSKI

As of the last update, we have found no reported interactions between this medicine and specific foods, supplements, or other compounds. It is possible that unknown interactions exist. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects; refer to the manufacturers’ package information for details as this is not covered here. If you take medication, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.

Copyright © 2014 Aisle7. All rights reserved.

RxAnswers™ is a copyrighted product from Aisle7.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

There are some limitations on the information provided in “Nutrient Interactions.” Do NOT rely solely on the information in this article. Please read the disclaimer.

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Aisle7 and/or its suppliers make no warranties or representations as to the accuracy or completeness of this content herein or that of any organization referred or linked to within this content and will not be liable for any damages arising out of your access to or use of any information found herein or that of any organization referred to within this content.

Information expires June 2015.

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Size Conversion
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  • 0.88 oz
  • 1.76 oz
  • 3.5oz
  • 8.8oz
  • 1.1lb
  • 1.65lb
  • 2.2lb
  • 3.3lb
  • 11lb