Reviews and Information for Potassium Iodide/Iodate (Radioprotective Agents)
Potassium Iodide/Iodate (Radioprotective Agents)
Find the best potassium iodide (KI) and potassium iodate (KIO3) supplements and OTC medications and learn how they can help protect the thyroid gland after exposure to nuclear radiation. Learn about dosage, how to properly use, and side effects.
Potassium Iodide/Iodate (Radioprotective Agents) ReviewSearch term may appear only in full report available to members. Join now for full access.
Product Review
Potassium Supplements Review
Be Careful with Potassium Supplements! Problems Found. Tests and Reviews of Potassium Supplements & CL's Top Picks.

Product Review
Inactive Ingredients / Excipients in Supplements
Find Out Why Coloring Agents, Sweeteners, Fillers & Other Inactive Ingredients Are In Your Supplements and If They're Safe.

Product Review
Kelp Supplements Review
Choose the Best Kelp Supplement. Be Cautious With Kelp! Only 50% of Supplements Pass CL's Review.

Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins -- Caution with Gummies

Product Review
Electrolytes & Sports Drinks Review
See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes

Product Review
Seaweed Snacks and Foods Review
Tests Reveal Seaweed Snack Risks

Product Review
Protein Powders, Shakes, and Meal Replacements Review
Find Out Which Protein Products Passed or Failed Our Tests

Product Review
Coconut Waters Review
Best Coconut Water? See Our Tests and Comparisons of Popular Brands Looking at Sugar, Electrolytes, Taste and Price.

Product Review
Olive Leaf Extract Supplements Review
Learn What Olive Leaf Does and the Best Brands

Product Review
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead

Product Review
Sunflower Seeds and Butters Review
High Levels of Toxin Found in Most Sunflower Seeds and Butters

CL Answer
Is it true that iodine can cause acne or other skin problems?
Information on iodine causing acne and other skin problems such as rashes and hives. ConsumerLab.com's answer explains.

CL Answer
A tea called Throat Coat made me lethargic and I was found to have low potassium. Is this a known problem? I was drinking 5 cups a day.
Throat Coat tea information, including licorice root content, potassium loss, and symptoms such as lethargy, increased blood pressure and fluid retention. ConsumerLab.com's answer explains.

CL Answer
I'm worried that I'm not getting enough potassium, but potassium supplements only provide a small dose -- much less than the daily requirement. Why is this, and how can increase my daily intake?
Find out why many potassium supplements contain small doses of potassium and how to get adequate potassium from food and supplements.

CL Answer
Are people with kidney disease at risk of getting too much potassium if they take a multivitamin? Which multivitamins are best for people with kidney disease?
Learn if people with kidney disease are at increased risk of getting too much potassium from multivitamins, find out which multivitamins do not contain potassium, and learn what other products should be avoided by people restricting potassium intake.

CL Answer
Do "lite" salts and salt substitutes containing potassium help lower blood pressure and reduce heart risks? Are they safe?
Find out if replacing regular salt with "lite" salt or salt substitutes, such as Morton Lite Salt, Morton Salt Substitute, NoSalt Original Sodium Free Salt Alternative, and MySalt, helps to reduce blood pressure, or decrease the risk of heart attack and stroke. Plus, learn about the safety and side effects associated with salt substitutes, drug interactions, and more.

CL Answer
Does coconut water help re-hydrate as well as sports drinks?
Find out how coconut water compares to sports drinks, including rehydration and possible side effects.

News Release
May 18, 2021
Caution With Potassium Supplements: You Could Get More Than Expected
White Plains, New York, May 18, 2021 — Recent tests by ConsumerLab.com of popular potassium supplements on the market revealed that consumers to get much more or much less potassium than expected from certain products.
CL Answer
Can lemon juice, lemonade, or other juices reduce my chances of getting kidney stones?
Information about lemon juice, lemonade, orange juice, cranberry juice and other juices for increasing urinary citrate and reducing the risk of kidney stones.

CL Answer
I take lisinopril (Zestril), an ACE inhibitor drug to lower blood pressure. Are there supplements I should avoid, or be taking, due to this drug?
When taking ACE inhibitors, find out which supplements should be avoided. Interaction info on Lisinopril or another ACE inhibitors.

CL Answer
Dietary Supplements and Herbs to Avoid When Breastfeeding
Find out which supplements should be avoided when breastfeeding, including medicinal herbs, soy, and flaxseed.

CL Answer
Which supplements help to improve energy and decrease fatigue?
Energy supplements and vitamins - Some can help increase energy and reduce fatigue, including CoQ10, curcumin/turmeric, cocoa, and B vitamins.

CL Answer
Which supplements and foods reduce or increase the risk of kidney stones?
Find out which supplements, foods and beverages may increase or decrease the risk of kidney stones, including information about potassium, calcium, choline, turmeric and curcumin, vitamin C, as well as foods and beverages such as green tea, lemon juice, orange juice, cranberry juice, chocolate and almonds.

News Release
April 25, 2017
Caution with Kelp Supplements: May Contain Too Much Iodine
White Plains, New York, April 25, 2017 — Kelp supplements are promoted as a natural source of iodine, an important mineral for healthy thyroid function. But are they a good alternative to regular iodine supplements? To find out, ConsumerLab.
News Release
November 15, 2016
ConsumerLab.com Finds Arsenic in Testing of Potassium Supplements -- Safer Choices Identified. Many Americans May Need More Potassium
White Plains, New York, November 15, 2016 — During a recent analysis of potassium supplements sold in the U.S. and Canada, ConsumerLab.com discovered significant contamination with the toxic heavy metal arsenic in pills from one brand.
Recalls & Warnings
February 12, 2013
Judge Orders Drug and Supplement Company to Cease Manufacturing and Distribution
On February 8, 2012, the FDA announced Titan Medical Enterprises Inc. has been ordered to stop manufacturing and distributing drugs and dietary supplements until the company's manufacturing operations comply with the Federal Food, Drug, and Cosmetic Act. The order was signed on December 11, 2012, U.
Recalls & Warnings
June 30, 2013
Warning Over Excessive Iodine Intake From Supplements, Including Kelp
On June 5, 2013, the American Thyroid Association (ATA) advised that children and adults, including pregnant and lactating women, consume no more than 500 mcg of iodine daily from iodine and kelp supplements.
News Release
August 21, 2013
Labels on Potassium Supplements May Confuse, But Product Quality is High According to ConsumerLab.com
White Plains, New York August 21, 2013 — How much potassium would you expect from a supplement called "Potassium Gluconate 595 mg"? The correct answer is just 99 mg, as ConsumerLab.com explains in its new Potassium Supplements Review, published online today.
News Release
January 25, 2011
ConsumerLab.com evaluates quality of potassium supplements and identifies those offering best value
WHITE PLAINS, NEW YORK — JANUARY 25, 2011 — A new report on the quality of potassium supplements was released by ConsumerLab.com today. In contrast to its last report on potassium supplements, ConsumerLab.
News Release
January 08, 2008
ConsumerLab.com finds most potassium supplements meet quality standards, but one with only 18% of ingredient — Results for 12 potassium supplements in new review
WHITE PLAINS, NEW YORK — JANUARY 8, 2008 — A new report on the quality of potassium supplements was released by ConsumerLab.com today. Tests showed one product to contain only 18% of the claimed amount of this essential mineral.
News Release
August 16, 2005
ConsumerLab.com tests potassium supplements — Report now online for sixteen products
WHITE PLAINS, NY — August 16, 2005 — ConsumerLab.com has released a new report on the quality of potassium supplements. Potassium is used to treat or prevent potassium deficiency caused by diuretic drugs ("water pills"), prolonged vomiting, diarrhea or laxative abuse.
News Release
July 16, 2002
ConsumerLab.com finds lead contamination remains a problem for certain mineral supplements — Lead found in iron, magnesium and, most recently, potassium pills
WHITE PLAINS, NY — July 16, 2002 — ConsumerLab.com announced today that its testing has shown that approximately 5% to 10 % of certain mineral supplements are contaminated with lead. The findings are based on ConsumerLab.
News Release
June 25, 2002
ConsumerLab.com reviews radioprotective Iodine pills in response to terrorist threats — Quality of products is high, but local access is poor
WHITE PLAINS, NY — June 25, 2002 — In response to the threat of terrorist attacks on U.S. nuclear facilities, ConsumerLab.com, an evaluator of health and nutrition products, today released a Product Review of Potassium Iodide/Potassium Iodate (Radioprotective Agents).
News Release
May 15, 2002
ConsumerLab.com lists magnesium products that passed testing — Some products fail due to excess magnesium and lead contamination
WHITE PLAINS, NY — May 14, 2002 — ConsumerLab.com today released results of its Product Review of Magnesium Supplements. Seventeen of the nineteen products tested by ConsumerLab.com passed the review. Among the products that failed, one contained nearly 50% more magnesium than claimed.
News Release
April 16, 2002
ConsumerLab.com finds "Breast Enhancement" pills lack evidence of efficacy
WHITE PLAINS, NY — April 16, 2002 — ConsumerLab.com announced today that it found no hard evidence to suggest that current dietary supplements marketed for breast enhancement are effective.
News Release
April 03, 2002
More than one in five weight loss, slimming and/or diabetes supplements fail ConsumerLab.com evaluation — Problems found in chromium and pyruvate products; CLA products fine
WHITE PLAINS, NY — April 3, 2002 — ConsumerLab.com announced today that more than one in five products failed its recent Product Review of Weight Loss, Slimming and Diabetes-Management Supplements.
Recalls & Warnings
May 10, 2013
Maker of Concentration, Pain, Immune, Cholesterol Supplements Warned For Drug Claims
On April 24, 2013, the FDA issued a warning letter to EuroPharma Co., Inc., following a review of the company's website which found statements made about Calm Kids, CholestCaps, CuraMed 375 mg, CuraMed 750 mg, Curamin, Mental Advantage, Tri-Iodine, and Viragen to be drug claims.
Recalls & Warnings
January 24, 2013
Food for Health Warned for Manufacturing Violations and Drug Claims on Supplements
On October 5, 2012, the FDA issued a warning letter to Food for Health International, LLC following a facility inspection which found the company's products, including Activz brand Vitamin D, Potassium Iodine, Organic Vitamin C, Whole 9 (a fruit and vegetable meal replacement shake) Control and VMA ...
Recalls & Warnings
December 12, 2014
Seller of B-12, Zinc, Echinacea and More Warned for Manufacturing Violations and Drug Claims
On November 14, 2014, the FDA issued a warning letter to Scientific Botanicals Company, Inc.
Recalls & Warnings
December 01, 2018
Seller of 5-HTP, Potassium & More Warned for Manufacturing Violations
On September 7, 2018, the FDA issued a warning letter to The Delano Company, Inc.
Recalls & Warnings
January 17, 2015
Maker of Magnesium and Potassium Supplements Warned for Manufacturing Violations
On December 23, 2014, the FDA issued a warning letter to Nutri Spec, Inc.
Recalls & Warnings
April 04, 2017
Seller of B Vitamins, Vitamin C, Potassium & More Warned for Manufacturing Violations
On March 24, 2017 the FDA issued a warning letter to The Sanapac Company, Inc.