Check out our top picks for the best tryptophan supplements on the market. If you’re looking for a natural way to support your mood and sleep, NOW Supplements, L-Tryptophan 500 mg is a great option.

This phenomenon brings up a common question: Why does Thanksgiving dinner make people sleepy? A common misconception is that high tryptophan levels in turkey are the culprit. As tryptophan is a ...

L-tryptophan, taurine, L-carnitine, DHA, ARA; lactose- and sucrose-free. Feeding of infants and children sensitive to intact milk protein, with multiple food allergies, colic or persistent ...

Tryptophan 2,3-dioxygenase (TDO), as a key rate-limiting enzyme, is widely involved in tryptophan metabolism and the regulation of various physiological and pathological processes. TDO activity can be ...