BioStacks
Pure Encapsulations

L-Tryptophan

2 Capsules · 90 servings · $1.29/serving

70 / 100Good

Best for

Score Breakdown

Formulation
68
Safety
100
Final score
70/100

Ingredients (2)

Vitamin B6

100%

Dose

6.7 mg

Target

1.3–25 mg

Form

Premium

TryptoPure

100%

Dose

1000 mg

Target

250–1000 mg

Form

Other Ingredients (1)

Capsule ShellCapsule

Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.

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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.