L-Tryptophan 500 mg - 120 caps.

L-tryptophan is an essential amino acid that is not synthesized in the body and must be obtained from the diet. L-tryptophan is particularly important for the production of serotonin and melatonin, which help maintain a good mood, healthy sleep, and normal immune system function. Each batch of L-tryptophan from NOW is tested for the absence of peak E and microbes.

Recommendations for use
Take 1-2 capsules 2-3 times a day on an empty stomach (the last dose is taken before bedtime), or as directed by a physician.

Other ingredients
Cellulose (capsule), cellulose powder, and stearic acid (plant-derived).