. L-Tryptophan Complete? is the result of years of research into the brain many natural biochemical pathways, with the goal of maximizing healthy levels of serotonin. L-Tryptophan encourages: Restful sleep. Improved mood, less irritability. Relief of minor aches and pains, such as pain resulting from exercise, and Helps curb an excessive appetite (craving) for carbohydrates.Ingredients: Supplement Facts Serving Size:3 Capsules Amount Per Serving %DV Vitamin C (as calcium ascorbate) 90 mg 150% Vitamin B2 (as riboflavin) 20 mg Vitamin B3 (as niacinamide) 60 mg Folate (as folic acid) 800 mcg Pyridoxal 5-Phosphate 20 mg L-Tryptophan, USP 1050 mg L-Lysine HCl 300 mg Proprietary Blend: Curcumin (from turmeric root)Magnesium glycinateMagnesium taurinate 570 mg ** Daily Value not established. --> Other Ingredients: Gelatin capsule (kosher) vegetable stearic acid (from palm oil).