From natural Griffonia bean extract with St. Johns Wort. As a dietary supplement, take 1 or more capsules daily with a meal or glass of water. Per 1 Capsule: Griffonia (Griffonia simplicifolia)(bean extract), (Guaranteed 98% (100 mg)L-5 hydroxytryptophan) 102mg, St. John’s Wort (Hypericum perforatum)(aerial) 210mg. Other Ingredients: Gelatin (capsule) and magnesium stearate.