**Melatonin** at 3 mg puts you squarely in the middle of the clinically studied range (0.5–5 mg) for reducing the time it takes to fall asleep and supporting circadian rhythm regulation. If you're using this for jet lag or occasional sleeplessness, 3 mg is a well-established dose with strong research backing — you can expect meaningful help with sleep onset when taken 30 minutes before bed.

It's worth knowing that recent research suggests lower doses (0.5–1 mg) may be equally effective for sleep onset, with less risk of morning grogginess. At 3 mg you're not in excess territory, but if you find yourself feeling groggy the next day, cutting a capsule or switching to a lower dose could help.

This is a single-ingredient sleep product, so it won't address sleep quality beyond onset. If staying asleep is your main concern, you'd benefit from pairing this with ingredients like magnesium or L-theanine that support deeper, sustained sleep.

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BioStacks

Swanson

Melatonin, 3 mg, 60 Capsules

Capsule · 60 servings · $0.06/serving

96 / 100Excellent

Supports

Score Breakdown

Formulation
96
Safety
100
Final score
96/100

Ingredients (1)

Melatonin3 mg

Optimal dose

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Melatonin3 mg

Other Ingredients

Fillers, coatings, and additives

1Safe

Rice FlourFiller

Safe

Vegan capsule (hypromellose)

Unknown

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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.