Potassium Citrate Capsules
Potassium Citrate Capsules
NOW Foods Potassium Citrate 99 mg, 180 capsules
Citrate form with the elemental dose stated clearly. Remember the catch further down, 99 mg is a small top up rather than a real share of your daily needs.
See our pick on AmazonChosen from the ingredient label and independent sources, not tested in our kitchen. Last checked October 2026. The rest of this guide helps you judge any alternative.We earn a commission if you buy through the link on this page, at no extra cost to you. How this works.
Potassium is the third electrolyte next to sodium and magnesium, and the one that food usually has to cover. Capsules are a small top up for days when avocado and leafy greens fall short.
What to look for
- Citrate or gluconate, which are the commonly tolerated forms
- Elemental potassium per capsule, usually capped at 99 mg
- Third party testing, since supplement labelling is loosely policed
- A short ingredient list without unnecessary fillers
Good to know
General wellness information only, not medical advice. Potassium supplements are not suitable for everyone, so check with your doctor first if you have a kidney or heart condition or take blood pressure medication.
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The catch
US capsules are limited to 99 mg, a tiny fraction of daily needs, so they barely move the needle. Avocado, leafy greens or a potassium based salt substitute deliver far more.
Before you buy
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General nutrition information, not medical advice. See how we pick what goes on this site or read the full affiliate disclosure.
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