About L-Tryptophan 220mg Amino Acid Vegan
L-tryptophan is an essential amino acid (protein building block) in human nutrition. As a precursor for serotonin, the brain neurotransmitter linked with pleasure and fulfilment, it plays an important role in our diets. ageing individuals will often benefit from this supplement.
Recommended Intake: 1 capsule daily with food.