Shopping security
Supports Relaxation Encourages Positive Mood Promotes Restful Sleep Non-GMO A Dietary Supplement Vegetarian - Vegan Amino Acids Family Owned Since 1968 GMP Quality Assured L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function. Every lot of NOW L-Tryptophan is tested to be free of Peak E and microbial contamination.
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order