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Product Review: Potassium Supplements Review

Initial Posting: 11/11/16  Last Update: 4/11/17
Potassium Supplements Review by
How to Choose a Top-Quality Potassium Supplement Without Arsenic!

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Alphabetical list of potassium supplement brands reviewed and rated Potassium Natural Factors Potassium Citrate Rexall [Dollar General] Potassium
Country Life Magnesium Potassium Aspartate Nature's Bounty Potassium Gluconate Solaray Potassium
CVS/pharmacy Potassium Gluconate 595 mg Nature's Sunshine Combination Potassium Solgar Potassium
DaVinci Laboratories of Vermont Potassium Aspartate+ NOW Potassium Chloride Powder Swanson Ultra Potassium Citrate
GNC Potassium Plus 99 mg Potassium Citrate Vitacost Potassium & Magnesium
Member's Mark [Sam's Club] Potassium Puritan's Pride Potassium Vitamin World Potassium 99 mg
Make sure the potassium supplement you take passed our tests and is right for you!
Isn't your health worth it?
If you use a potassium supplement, it's important that you choose a product with the right dose that safely delivers what it claims. But beware: We discovered arsenic contamination in pills from a popular brand, and the labeling on some supplements can mislead you into thinking you are getting a lot more potassium than you really are.

In our potassium supplement review we tell you what to expect from these products. Moreover, we identify several brands that contained what they claimed, did not exceed strict contamination limits for arsenic, lead, or cadmium and properly released their ingredient. We also found that you can get high quality potassium for a little as 1 cent per dose, rather than spending many times more.

Potassium supplements treat and prevent potassium deficiency, which can occur due to diuretic drugs ("water pills"), prolonged vomiting, diarrhea or laxative abuse. Potassium may also help reduce hypertension -- particularly in people who consume too much sodium.

You must be a member to get the full test results along with's recommendations and quality ratings of potassium supplements — including potassium-magnesium combinations. You will get results for 16 supplements — 11 selected by and five which passed testing in our voluntary Quality Certification Program, as well as information about two supplements similar to one that passed testing. 

In this comprehensive report, you'll discover:
    • Which potassium supplements passed and which failed our testing
    • Which potassium supplements offer the best value and are CL's Top Picks
    • Direct comparisons and quality ratings of potassium supplements
    • The pros and cons of different forms of potassium (such as potassium chloride, potassium citrate, and potassium gluconate) and dosage forms (such as pills and powders) 
    • Dosing of potassium for specific uses
    • How to avoid being misled by labels on potassium supplements  
    • Food sources of potassium  
    • Potential side-effects and concerns with potassium 

If you already are a member, SIGN IN now. Answers -- for Potassium Supplements Review
I've been buying nutritional supplements in powder form, as I find them cheaper than tablets and capsules. I am concerned about the effect of air when I open the bottles daily because sometimes my powdered supplements get clumpy. Should I be concerned? Get the answer >>

I have low blood pressure. Are there any supplements I should avoid? Get the answer >>

Which supplements can help to lower blood pressure? Get the answer >>

What are the most common, potentially dangerous interactions between supplements and drugs? Get the answer >>

Are there any supplements I should avoid when taking an antibiotic? Are there any that may be helpful? Get the answer >>

I'm worried that I'm not getting enough potassium in my diet, but potassium supplements only seem to provide a very small dose -- much less than what we are supposed to get on a daily basis. Why is this, and how can increase my daily intake? Get the answer >>

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