BioStacks
Life Extension

L-Tryptophan 500 mg

1 Capsule · 90 servings · $0.28/serving

42 / 100Average

Best for

Score Breakdown

Formulation
42
Safety
100
Final score
42/100

Ingredients (1)

L-Tryptophan500 mg

Within effective range

Other Ingredients

Fillers, coatings, and additives

4Safe

HypromelloseCapsule

Safe

Microcrystalline CelluloseBinder

Safe

Stearic AcidLubricant

Safe

Microcrystalline CelluloseBinder

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.