Swanson Vitamins, L-Tryptophan, 500 mg, 60 Capsules

L-Tryptophan is an oral capsule supplement. The source panel lists L-Tryptophan 500 mg per 1 vegan capsule. Tryptophan is an essential amino acid used in protein synthesis and as a precursor in serotonin, melatonin and niacin pathways. These biochemical roles are relevant to normal mood and sleep physiology.

As a dietary supplement, take one capsule with water 30-60 minutes before sleeping.

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.