NOW Foods, L-Tryptophan, 1,000 mg, 60 Tablets

Supplement. Per 1 Tablet: L-Tryptophan (Free-Form) 1 g (1,000 mg). Tryptophan is an essential amino acid and biochemical precursor of serotonin and melatonin, linking it to normal mood and sleep-related neurochemistry.

Take 1 tablet 1 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician.

Keep out of reach of children. Use only as directed. Consult a qualified healthcare professional before use if you are pregnant or nursing, taking medication, have a medical condition, or have known allergies or sensitivities. Discontinue use and seek medical advice if irritation, an allergic reaction, or any other adverse effect occurs. Do not use if the safety seal or packaging is damaged. Store according to the product label.