NOW Foods, L-Tryptophan Powder, 2 oz by NOW ZStrength_400 mcg Preliminary research also suggests that

Preliminary research also suggests that palmitoleic acid may help support liver metabolism and liver health

3x more potent than homemade broth and twice as potent compared to the leading bone broth brands (based on protein content)

plus fermented B vitamins to support cellular energy and our herbal berry blend including elderberry

With Echinacea

NOW Foods, L-Tryptophan Powder, 2 oz by NOW ZStrength_400 mcg Preliminary research also suggests thatSUPPORTS RELAXATION*: Critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function.* ENCOURAGES POSITIVE MOOD*: Every lot is tested to be free of Peak E and microbial contamination. CLASSIFICATIONS CERTIFICATIONS: Non GMO, Vegan, Kosher GMP Quality Assured: NPA A rated GMP certification means that every aspect of the NOW manufacturing process has been examined,