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Best Naturals

Best Naturals Potassium Chloride 99 mg 400 Tablets

  • Supplement Type: Potassium
  • Form: Tablet
  • Diet: Gluten Free
  • Count: 400

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A low dose, high count potassium chloride tablet best suited to a modest daily top up rather than a therapeutic dose.

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ASIN: B09XRTL8X6Category: Potassium

Overview

Best Naturals Potassium Chloride Supplement packs 99mg of potassium per tablet across 400 tablets, third party lab tested per the title, gluten free and unflavored.

Ninety nine milligrams per tablet is a modest dose relative to daily potassium needs, closer to a small top up than a full replacement for dietary intake. The 400 count bottle is priced for long term daily use rather than a short course. Third party lab testing is named directly in the title, a detail worth more than most marketing copy since it points to an actual testing step rather than a claim alone.

  • 400 tablets per bottle
  • 99mg potassium per tablet
  • Third party lab tested
  • Gluten free, unflavored

Who it's for

Suited to people who want a small, steady potassium top up and prefer an unflavored tablet over a gummy or liquid form. Not a fit for anyone told by a doctor to take a specific higher potassium dose, since the per tablet amount here is low.

Pros and cons

Pros
  • 400 tablets, long lasting supply
  • Third party lab tested per the listing
  • Gluten free, unflavored formula
Cons
  • 99mg per tablet is a low dose
  • Not a substitute for a prescribed potassium regimen
  • No allergen info beyond gluten free

Performance notes

At 99mg per tablet, this sits well below the roughly 100mg per serving line some regulators use to distinguish over the counter potassium products from prescription strength ones, which likely explains the low per tablet dose here. The 400 tablet count gives well over a year of daily use at one tablet a day. Gluten free labeling covers one common dietary concern, though the listing does not mention other allergens.

Specifications

BrandBest Naturals
Supplement TypePotassium
FormTablet
DietGluten Free
Count400
BenefitsNutritional Support
FlavorUnflavored

Frequently asked questions

How much potassium is in each Best Naturals tablet?

99mg of potassium chloride per tablet.

How many tablets come in this Best Naturals potassium bottle?

400 tablets.

Is this potassium supplement flavored?

No, it is listed as unflavored.