NSI L-Tryptophan -- 500 mg - 240 Vegetarian Capsules

Helps maintain serotonin levels for healthy mood. Also supports natural, restful sleep. How Does NSI® L-Tryptophan work? L-tryptophan is an essential amino acid meaning the body does not produce it on its own; it must be obtained through diet. It's found in small amounts in nuts, grains, beans, legumes, cheese, eggs, and meat. L-tryptophan breaks down into four different metabolites in the body. Most notably, it's converted to 5-HTP, which is then converted to serotonin a neurotransmitter that helps regulate mood, sleep and appetite. Low serotonin levels in the brain are associated with poor mental health and sleep disturbances. Supplementing with L-tryptophan may help raise serotonin levels, promoting better mood, relaxation and rest. In addition, L-tryptophan is broken down into melatonin, a hormone that regulates the body's sleep-wake cycle, and the B-vitamin, niacin, which helps maintain healthy function of the nervous system, digestive system and skin. L-tryptophan also plays a pa