Best Melatonin

The best melatonin we track, ranked by real cost-per-dose — not paid placements. Across 169 tracked options the typical dose runs $0.10 per serving.

Prices checked Jun 23, 2026

Best valueNutricost, Melatonin Tablets, 5 Mg, 240 Count

$0.04 per serving — the cheapest melatonin dose we track.

$9.99

$0.04/serving

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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	$ / 3 mg
1	Nutricost, Melatonin Tablets, 5 Mg, 240 Count	tablet · 5mg	240	$9.99	$0.04	$0.02
2	Nutricost, Melatonin Tablets, 10 Mg, 240 Count	tablet · 10mg	240	$10.00	$0.04	$0.01
3	Nature's Bounty, Melatonin Quick Dissolve, 3 Mg, 240…	tablet · 3mg	240	$11.88	$0.05	$0.05
4	Nutricost, Melatonin Capsules, 10 Mg, 240 Count	capsule · 10mg	240	$12.95	$0.05	$0.02
5	Nutricost, Melatonin Capsules, 20 Mg, 240 Count	capsule · 20mg	240	$13.95	$0.06	$0.009
6	Source Naturals, Sleep Science Melatonin Orange, 1 Mg…	tablet · 1mg	300	$17.86	$0.06	$0.18
7	Source Naturals, Sleep Science Melatonin Orange, 1 Mg…	tablet · 1mg	200	$12.25	$0.06	$0.18
8	Source Naturals, Sleep Science Melatonin, 1 Mg, 100 Tabs	tablet · 1mg	100	$6.29	$0.06	$0.19
9	Windmill, Melatonin, 3mg, 100 Tabs	tablet · 3mg	100	$6.39	$0.06	$0.06
10	Kal, Melatonin, 1 Mg, 120 Tabs	tablet · 1mg	120	$8.89	$0.07	$0.22
11	Now Foods, Melatonin Sustained Release, 5 Mg, 120 Tabs	tablet · 5mg	120	$9.69	$0.08	$0.05
12	21st Century, Melatonin Prolonged Release, 10 Mg, 120…	tablet · 10mg	120	$9.80	$0.08	$0.02
13	Now Foods, Melatonin, 1 mg, 100 Tabs	tablet · 1mg	100	$8.40	$0.08	$0.25
14	Natrol, Melatonin Time Release, 3 Mg, 100 Tabs	tablet · 3mg	100	$8.80	$0.09	$0.09
15	Natrol, Melatonin Fast Dissolve Strawberry, 3 Mg, 90…	tablet · 3mg	90	$8.04	$0.09	$0.09
16	Life Extension, Melatonin 6 Hour Timed Release, 300 mcg…	capsule · 300mcg	100	$9.00	$0.09	—
17	Source Naturals, Sleep Science Melatonin, 3 Mg, 240 Tabs	tablet · 3mg	240	$22.05	$0.09	$0.09
18	Sundance, Melatonin Fast Dissolve Natural Berry Flavor…	tablet · 3mg	60	$5.67	$0.09	$0.09
19	Source Naturals, Melatonin Peppermint, 5 Mg, Sublingual…	tablet · 5mg	240	$22.75	$0.09	$0.06
20	Source Naturals, Sleep Science Melatonin Timed Release…	tablet · 2mg	240	$22.75	$0.09	$0.14

Frequently asked

What is the best-value Melatonin supplement?+

Nutricost, Melatonin Tablets, 5 Mg, 240 Count — $0.04 per serving ($9.99 for 240 servings), the lowest cost-per-dose melatonin in our Amazon US catalog as of June 2026.

What is the typical cost per dose for Melatonin?+

About $0.10 per serving across 169 tracked melatonin products, ranging from $0.06 for the best deals to $0.15 for premium options.

What's the cheapest effective Melatonin?+

To reach the commonly-studied 3 mg/day dose, Nutricost, Melatonin Capsules, 20 Mg, 240 Count is the best value at $0.009 per day — cheaper than bottles that look low-priced per serving but are underdosed.