ʟ‑Tryptophan is the amino acid that serves as the precursor for the synthesis of serotonin and melatonin to promote healthy moods and sleep cycles.
Each vegetable capsule contains:ʟ‑Tryptophan220 mgOther ingredients: Microcrystalline cellulose, vegetable magnesium stearate, and silicon dioxide in a non‑GMO vegetable capsule composed of vegetable carbohydrate gum and purified water.
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