BioStacks
Source Naturals

Sleep Science®, NightRest™ With Melatonin

2 Tablets · 50 servings · $0.27/serving

iHerbAmazon

Best for

Sleep

Ingredients (9)

Melatonin

100%

Dose

5 mg

Target

0.5–5 mg

Form

—

Magnesium

100%

Dose

300 mg

Target

100–400 mg

Form

Standard

GABA

100%

Dose

500 mg

Target

100–300 mg

Form

—

Passionflower Aerial Parts Extract

80%

Dose

200 mg

Target

250–500 mg

Form

—

Skullcap Aerial Parts

70%

Dose

70 mg

Target

100–1000 mg

Form

—

Other Ingredients (7)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

Hydroxypropyl CelluloseBinder

An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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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.

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