Lidtke, L-Tryptophan, 60 Veg CapsProduct Description Lidtke L Tryptophan is for the dietary management of sleeplessness, eating disorders and anxiety. It is well known that European pharmaceutical standards for L Tryptophan are far higher than U. S. or Japanese standards. Product Benefits Help to Sleep well and stay calm Ingredients Supplement Facts Amount Per Serving %DV L Tryptophan, USP 500 mg ** **Daily Value Not Established. +Percent Daily Values are based on a 2,000 calorie