BioStacks
Life Extension

Circadian Sleep

1 Capsule · 30 servings · $0.70/serving

iHerbAmazon

Best for

Sleep

Ingredients (2)

MicroActive Melatonin

100%

Dose

1.5 mg

Target

0.5–5 mg

Form

—

Nobiletin

50 mg

Unit not recognized — not scored

Other Ingredients (5)

Medium Chain Triglyceride OilCarrier

Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Carnauba WaxCoating

Hard plant wax from the carnauba palm used to glaze gummies and tablets

Microcrystalline CelluloseBinder

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

Alginic AcidThickener

A seaweed-derived polysaccharide used as a thickener and disintegrant

How to Take It

Best taken in the evening

Take 30–60 minutes before bed. It's a circadian signal, not a daytime supplement.

With or without food

On the label

Take one (1) capsule daily, before bedtime, or as recommended by a healthcare practitioner.Melatonin is naturally secreted from the pineal gland at night, and should be taken at night for optimal results.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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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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