L-Tryptophan is an essential amino acid provided by mixed dietary protein intakes from different sources. L-Tryptophan can also be consumed in the form of supplements.
Take 1 capsule a day with water, before going to bed. Use this product in conjunction with food as part of a healthy, balanced diet, not as a substitute for such.
Manufactured in a facility that processes milk, soy and egg proteins, and gluten, peanuts!