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See the offer Potassium cost per dose
Currently from $0.020 per serving across our tracked stores. Same molecule, dramatically different per-dose pricing — sorted bottom-up.
Prices checked Jun 24, 2026
See also: best Potassium deals · Potassium basics
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🍌 Potassium
BulkSupplements.com Potassium Bicarbonate Capsules - Potassium…
Cost per serving
$0.03
Avg·−73%$0.05last seen · confirm on Amazon
BulkSupplements.com · Amazon.com 0
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🍌 Potassium
Best Naturals Potassium Citrate 99mg 500 Tablets - 3rd Party…
Cost per serving
$0.03
Avg·−71%$13.99last seen · confirm on Amazon
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🍌 Potassium
BulkSupplements.com Potassium Citrate Capsules - Mineral…
Cost per serving
$0.03
Avg·−70%$0.03last seen · confirm on Amazon
BulkSupplements.com · Amazon.com 0
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🍌 Potassium
NaturalSlim Natural Potassium Citrate Gluconate 99 mg…
Cost per serving
$0.04
Avg·−64%$15.14last seen · confirm on Amazon
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🍌 Potassium
Nutricost, Potassium Citrate Capsules, 99 Mg, 500 Count
Cost per serving
$0.04
Avg·−63%$19.95last seen · confirm on Amazon
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🍌 Potassium 3rd-party
Nature Made Potassium Gluconate 550 mg
Cost per serving
$0.04
Avg·−62%$4.09last seen · confirm on Amazon
Nature Made · Amazon.com 0
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Now Foods, Potassium Citrate, 99 Mg, 180 Veg caps
Cost per serving
$0.05
Avg·−53%$9.69last seen · confirm on Amazon
HerbsPro 0
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Nature Made, Potassium Gluconate, 90 Mg, 100 Tabs
Cost per serving
$0.06
Avg·−52%$5.51last seen · confirm on Amazon
HerbsPro 0
See the offer Frequently asked
What is the cheapest Potassium per dose?+
Organic Lugol's Iodine — $0.02 per serving ($7.98 for 395 servings), the lowest cost-per-dose potassium in our Amazon US catalog as of June 2026.
What is the typical cost per dose for Potassium?+
About $0.06 per serving across 59 tracked potassium products, ranging from $0.02 for the best deals to $0.09 for premium options.
Is the cheapest Potassium the best one to buy?+
Not always. The cheapest is sometimes cheaper because of the form — magnesium oxide costs less than glycinate per gram but absorbs at a fraction of the rate. Weigh cost-per-dose against form bioavailability and third-party testing, not price alone.