Best Naturals Potassium Citrate 99mg 500 Tablets - 3rd Party Lab Tested

Our verdict

Best Naturals Potassium Citrate 99mg 500 Tablets - 3rd Party Lab… works out to $0.03 per serving of potassium, at 99mg per serving in tablet form. That puts it the cheapest quarter of the 35 potassium products we can price per dose, where the typical serving costs $0.06, a Value Index of 2.0 where the median product is 1.0. One container lasts 500 days at the label dose of 1 serving a day, about $0.84 a month. We could not verify a third-party certification for Best Naturals in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.