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Best Naturals

Best Naturals Potassium Chloride Supplement 99mg 400 Tablets

  • Potassium
  • Tablet
  • Potassium
  • 400
4.7/ 5 on Amazon710Amazon ratings300+bought last month4.3ProductDome score
  • Better rated than 63%
  • More reviewed than 59%
High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a long lasting supply of a modest, unflavored potassium tablet.

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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ProductDome scorecard

How it ranks among the 93 potassium we track

4.3/ 5ProductDome scoreHigh confidence
Owner satisfaction · 56% of scorecategory median 4.6★4.7

4.7★ across 710 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 362 ratings3.6

710 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score3.4

300+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 93 potassium we track - how the scorecard works · full potassium data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

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.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • 400 tablets, long lasting supply
  • Third party lab tested per the listing
  • Gluten free, unflavored formula
What to check first
  • 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
Model817716018690
FormTablet
Supplement TypePotassium
Count400
FlavorUnflavored
BenefitsNutritional Support
DietGluten Free

How it compares

This product against the closest alternatives we track in potassium.

ProductAmazon ratingRatingsProductDome score
Best Naturals Potassium Chloride Supplement 99mg 400 TabletsThis product4.7 / 57104.3 / 5
NOW FOODS Potassium CitrateNow4.7 / 522,4004.6 / 5
Nature Made Potassium Gluconate 550 mgNATURE4.7 / 515,9004.6 / 5
Nutricost Potassium Citrate 99mgNutricost4.7 / 514,8004.6 / 5
NaturalSlim Natural Potassium Citrate Gluconate 99 mgNaturalSlim4.8 / 513,6004.7 / 5
Frequently asked

Questions about the Best Naturals 817716018690

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

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.