Natures Aid Comprehensive 5-HTP (L-5-Hydroxytryptophan) Complex with Avena Sativa, Vitamins B3, B5 & B6 & Magnesium which contributes to the normal functioning of the nervous system and psychological function. Over the past 40 years a number of clinical trials have indicated that 5-HTP may be useful for a broad range of health problems. 5-HTP actually acts within the body as a raw material, used by some cells within the body to make the important neurotransmitter Serotonin. It helps with memory and mood, improves alertness and focus. It also may help with weight management and helps with migraines and headaches. Suitable for vegetarians and vegans.