L-5-hydroxyTryptophan by Solaray Potency 50 mg Size 60 Caps Retail Price $18.79 Our Price $10.65 SKU # S36669 Product ID # 14215 You Save 44% Buy Now! Description of L-5-hydroxyTryptophan L-5-hydroxyTryptophan (L-5-HTP) is converted by the body to serotonin, which is a major neurotransmitter of the central nervous system.   Ingredients of L-5-hydroxyTryptophan Supplement Facts Serving Size: 1 Capsule Ingredients Amount %DV L-5-hydroxytryptophan (from Griffonia simplicifolia) 50 mg † Other Ingredients: Cellulose, Vegetable Cellulose Capsule, Alpha Galactosidase and Magnesium Stearate. †: Daily value not established.   Suggested Use for L-5-hydroxyTryptophan Use only as directed. Take one vegetarian capsule daily with a meal or glass of water. Store in a cool, dry place.   Warning for L-5-hydroxyTryptophan Do not use if safety seal is broken or missing. Keep out of reach of children. Keep your licensed health care practitioner informed when using this product. Not recommended for use with MAO-inhibiting antidepressant prescriptions. May cause drowsiness; do NOT use while driving or operating heavy machinery.