Normal brain function and nervous system activity are dependent on a number of factors. 5-Hydroxytryptophan is a naturally occurring amino acid that helps support neurotransmitter production. Extracted from griffonia simplificolia seed Available as a 50mg capsule Suitable for vegetarians and vegans Product Information per Daily Intake: 5-HTP 50mg Ingredients: Bulking agent (microcrystalline cellulose) Capsule shell (hydroxypropyl methylcellulose) Griffonia simplifica seed extract (providing 5-HTP) Anti-caking agent (magnesium stearate). Recommended Intake One capsule taken daily with food or as professionally directed. Warnings: Do not take if pregnant, planning a pregnancy or breastfeeding If you are under medical supervision, please consult a doctor before use Not to be used in conjunction with mood modifying drugs.