L-Tryptophan 500 mg 90 Veggie Caps

• With TryptoPure
• Helps Promote Normal Restful Sleep, Healthy Mood And Behavior
• Dietary Supplement
• Vegan
• Non-GMO
• Gluten Free
• Soy Free

L-Tryptophan is an essential amino acid (protein building block) in human nutrition that helps promote healthy sleep. Essential amino acids are not synthesized by the body and must be obtained in the diet. Doctor's Best L-Tryptophan with TryptoPure is manufactured and tested for purity according to the Japanese Pharmacopeia (JP) and the United States Pharmacopeia (USP) standards.