L-Tryptophan 500mg (TryptoPure) - 30 CapsulesBlueBonnet L Tryptophan 500mg Vegetable Capsules feature pharmaceutical grade TryptoPure from Ajinomoto, the global leader in producing pure, free form amino acids since the 1950s. Each capsule delivers 500mg of highly pure, vegetarian sourced L tryptophan in its free form state for optimal bioavailability and absorption. L tryptophan is an essential amino acid that serves as a precursor to important neurotransmitters in the body. The TryptoPure form