• An essential amino acid that promotes normal, restful sleep and healthy mood & behavior

• Contains L-tryptophan from TryptoPure^??, a highly purified, pharmaceutical-grade L-tryptophan

• Main source of the body??s major sleep hormone melatonin

• Gluten Free, Non-GMO, Vegetarian, Vegan

What is Doctor??s Best L-Tryptophan with TryptoPure^???

Doctor??s Best L-Tryptophan with TryptoPure^?? promotes normal, restful sleep and healthy mood and behavior.* L-tryptophan, an essential amino acid, is not synthesized by the body and must be obtained through dietary sources. Doctor??s Best L-Tryptophan contains TryptoPure^??, a highly purified, pharmaceutical-grade L-tryptophan that meets the purity of both the Japanese Pharmacopeia (JP) and the United States Pharmacopeia (USP).*