About this item Contains 500 mg of 5-hydroxytryptophan that is extract from the seed of the African plant Griffonia simplicifolia, also Guaranteed free of Peak-X Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans. Also free of yeast, gluten, barley, rice, sodium and sugar. During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.