Best Potassium

Q: What is the best-value Potassium supplement?

NatureBell Potassium Citrate 99mg — <$0.001 per serving ($0.02 for 500 servings), the lowest cost-per-dose potassium in our Amazon US catalog as of June 2026.

Q: 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.

The best potassium we track, ranked by real cost-per-dose — not paid placements. Across 59 tracked options the typical dose runs $0.06 per serving.

Prices checked Jun 25, 2026

Best valueNatureBell Potassium Citrate 99mg

<$0.001 per serving — the cheapest potassium dose we track.

$0.02

<$0.001/serving

Get deal

3rd-party testedNature Made Potassium Gluconate 550 mg

Lab-verified brand at $0.04 per serving.

$4.09

$0.04/serving

Get deal

Full ranking by cost per dose

Cost-per-serving normalizes price across bottle sizes — a 60-count and a 365-count compare fairly. Top 20 of 50 shown.

#	Product	Form · dose	Servings	Price	$ / serving
1	NatureBell Potassium Citrate 99mg	capsule · 99mg	500	$0.02	<$0.001
2	Nutricost Potassium Citrate 99mg, 500 Capsules	capsule · 99mg	500	$0.04	<$0.001
3	Vitamatic Potassium 99mg – 250 Tablets – Potassium…	tablet · 99mg	250	$0.03	<$0.001
4	Best Naturals Potassium Gluconate Supplement 595 Mg…	tablet · 595mg	250	$0.03	<$0.001
5	Oxify Potassium Gluconate 595 mg \| 250 Tablets…	tablet · 595mg	250	$0.04	<$0.001
6	Life Enhancement High Potency 1020 mg Potassium…	capsule · 1020mg	240	$0.09	<$0.001
7	Nature's Bounty Potassium Gluconate 99mg, 100 Caplets	tablet · 99mg	100	$0.05	$0.001
8	Nature's Bounty Potassium 99mg	tablet · 99mg	100	$0.05	$0.001
9	Life Enhancement High Potency 1020 mg Potassium…	capsule · 1020mg	120	$0.11	$0.001
10	Vykee Nutrition Potassium Citrate Capsules - Supplements…	capsule · 500mg	120	$0.13	$0.001
11	Potassium Iodide Tablets 130 mg (Pack of 2) - (120…	tablet · 130mg	120	$0.16	$0.001
12	High Potency Potassium Chloride 1000mg Potassium…	capsule · 1000mg	90	$0.21	$0.002
13	1500mg Potassium Citrate Gummies	gummy · 1500mg	60	$0.27	$0.005
14	kindnature High Potassium Gummies 500mg for Leg Cramps…	gummy · 500mg	60	$0.29	$0.005
15	Organic Lugol's Iodine	liquid · 3000mcg	395	$7.98	$0.02
16	BulkSupplements.com Potassium Bicarbonate Capsules…	capsule · 500mg	2	$0.05	$0.03
17	Best Naturals Potassium Citrate 99mg 500 Tablets - 3rd…	tablet · 99mg	500	$13.99	$0.03
18	BulkSupplements.com Potassium Citrate Capsules - Mineral…	capsule · 99mg	1	$0.03	$0.03
19	NaturalSlim Natural Potassium Citrate Gluconate 99 mg…	capsule · 99mg	400	$15.14	$0.04
20	Nutricost, Potassium Citrate Capsules, 99 Mg, 500 Count	capsule · 99mg	500	$19.95	$0.04

Frequently asked

What is the best-value Potassium supplement?+

NatureBell Potassium Citrate 99mg — <$0.001 per serving ($0.02 for 500 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.