Jarrow Formulas
Five (5)-HTP - 100mg
60 Veggie Capsules — US label
Per 1 capsule: 5-HTP (5-Hydroxytryptophan) (from Griffonia simplicifolia ) (Seed) 100 mg.
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5-hydroxytryptophan (5-HTP) is a serotonin precursor often sourced from Griffonia seed. Strengths vary, and even lower doses require attention to serotonergic medicine interactions.
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Human studies are generally small and mixed; larger trials are needed. The serotonin-related mechanism does not establish benefit or safety, especially alongside serotonergic medicines.
Current manufacturer composition and precautions ↗ · Memorial Sloan Kettering · 5-HTP evidence and interactions ↗
Ingredient context reviewed 2026-11-01. General ingredient evidence does not verify the exact branded products below.
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Jarrow Formulas
Five (5)-HTP - 50mg
90 Veggie Capsules — US label
Per 1 capsule: 5-HTP (5-Hydroxytryptophan) (from Griffonia simplicifolia ) (Seed) 50 mg.
Read ingredients & context ↗Products are arranged alphabetically by brand. Inclusion and ordering do not depend on an affiliate partnership. Check exact pack, seller and Indian delivery separately.