5-HTP SUPREME is a powerful antioxidant blend especially created for positive mood, relaxation and appetite control. 5-HTP is the precursor to the neurotransmitter serotonin, converts directly into serotonin in the brain. Serotonin has many profoundly important functions, including a role in sleep, appetite, memory, learning, temperature regulation, mood, sexual behavior, cardiovascular function, muscle contraction, and endocrine regulation. L-Lysine helps decrease the body's cortisol levels, a hormone that may promote added feelings of anxiousness, especially if put into stressful environments. Vitamins B6 and Folate help increase mental sharpness and mood.