At 1 mg per capsule, this gives you a clinically relevant dose of **Melatonin** for sleep onset support — right at the low end of the studied range (0.5–5 mg), where recent research suggests lower doses may work just as well as higher ones for helping you fall asleep. You're getting the dose many sleep researchers actually recommend, since higher amounts (3–5 mg) don't consistently improve outcomes and can cause more morning grogginess.

**Melatonin** has strong clinical evidence for reducing the time it takes to fall asleep and resetting your circadian rhythm, particularly useful if you're dealing with jet lag or shift work. The capsule format makes it easy to take the suggested single dose 30 minutes before bed.

The main limitation is that melatonin primarily helps with sleep onset — if your issue is staying asleep or sleep quality rather than falling asleep, you may not get the full benefit you're looking for. This product also contains no complementary sleep ingredients like magnesium or L-theanine, so it's purely a circadian rhythm tool.

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BioStacks

Swanson

Melatonin 1 mg

Capsule · 120 servings · $0.04/serving

91 / 100Excellent

Supports

Score Breakdown

Formulation
91
Safety
100
Final score
91/100

Ingredients (1)

Melatonin1 mg

Within effective range

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Melatonin1 mg

Other Ingredients

Fillers, coatings, and additives

3Safe

Magnesium StearateLubricant

Safe

GelatinCapsule

Safe

Rice FlourFiller

Safe

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.