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    • About
    • Ingredients
    • Directions
    • Free of

    The amino acid L-5-Hydroxytryptophan (5-HTP) is created from L-Tryptophan in the body, and is a precursor to serotonin and melatonin. Allergy Research Group's 5-HTP is derived from a plant source, and is carefully tested to ensure its purity and to guarantee the absence of contaminants.

    Medicinal ingredients: Each capsule contains:

    L-5-Hydroxytrytophan 50 mg

    Non-medicinal ingredients: Hydroxypropyl methylcellulose, microcrystalline cellulose, L-leucine.

    Directions: Take 1 capsule, one to three times daily.

    Free of wheat, corn, soy, gluten, yeast, dairy, eggs, fish, crustacean, tree nuts, and peanuts.