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The amino acid L-5-Hydroxytryptophan (5-HTP) is created from L-Tryptophan in the body, and is a precursor to serotonin and melatonin. Our 5-HTP is derived from a plant source, and is carefully tested to ensure its purity and to guarantee the absence of contaminants.;Suggested Use: As a dietary supplement, 1 capsule one to three times daily, or as directed by a healthcare practitioner. Other ingredients: Hydroxypropyl methylcellulose, microcrystalline cellulose, L-leucine. This nutrient is of the highest quality and purity obtainable, free of all common allergens (antigens), and does not contain preservatives, diluents, or artificial additives.
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