Ranked by evidence

Best Sleep Supplements Supplements

The 10 highest-scoring sleep supplements supplements in Formulate's catalog, ranked by the same automated rubric we apply to every product: ingredient dose, bioavailable form, label transparency, safety, and third-party testing. No sponsorships, no pay-to-play.

Scored by the Formulate Research Team · Last reviewed July 2026

1
Nutricost
Glycine Powder
Nutricost Glycine Powder — powder format. Contains Glycine. Supports: Muscle. Non-GMO, Gluten Free, FDA Registered certified.
92A
2
Thorne
Melaton-3™
To enhance sleep and help maintain normal circadian rhythms* Melaton-3 supports restful sleep, helps balance circadian rhythms, and provides benefit for shift workers, those wit…
92A
3
Thorne
Melaton-5™
To enhance sleep and help maintain normal circadian rhythms* Melaton-5 supports restful sleep, helps balance circadian rhythms, and provides benefit for shift workers, those wit…
92A
4
Pure Encapsulations
Melatonin 3 mg
Strongest on transparency (100/100).
92A
5
Pure Encapsulations
Melatonin-SR
Strongest on transparency (100/100).
92A
6
Pure Encapsulations
Melatonin 20 mg
Strongest on transparency (100/100).
92A
7
Pure Encapsulations
Melatonin liquid
Strongest on transparency (100/100).
92A
8
Pure Encapsulations
Melatonin 0.5 mg
Strongest on transparency (100/100).
92A
9
Pure Encapsulations
Glycine
Strongest on form/bioavailability (100/100).
92A
10
Pure Encapsulations
Pure Tranquility Liquid
Strongest on transparency (100/100).
87A

Frequently asked questions

What is the best sleep supplements supplement?

Nutricost Glycine Powder is Formulate's highest-scoring sleep supplements supplement at 92/100 (grade A). Nutricost Glycine Powder — powder format. Contains Glycine. Supports: Muscle. Non-GMO, Gluten Free, FDA Registered certified.

How does Formulate rank sleep supplements supplements?

Each product is scored 0–100 by the same automated rubric. Clinical evidence, dose accuracy and bioavailable form carry the score; manufacturing, label transparency and safety are checked separately and can only cost points. Rankings reflect the formula on the label — not advertising or sponsorships.

How many sleep supplements supplements were compared?

This ranking shows the top 10 sleep supplements products Formulate has scored. Browse the full catalog for every product and its breakdown.

Best supplements by category

Best Minerals Best Nootropics Best Adaptogens Best Amino Acids Best Antioxidants Best Multivitamins Best Heart Health Best Energy

How these are ranked

Every sleep supplements product is scored on dose accuracy, ingredient form, certifications, transparency, and third-party testing — the same rubric across the whole catalog. See the methodology page for the full breakdown, or browse every supplement.

Educational only. Rankings reflect product formulation quality, not personalized medical advice. Talk to a qualified healthcare provider before starting a new supplement, especially if you take medication.