L-tryptophan is an essential amino acid. It is critical for the production of serotonin an melatonin, which help to support a positive mood, healthy sleep patterns and proper immune function. Best Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of qualBackQuestions & Answers0 questionGet specific details about this product from customers who own it.BackReviewsCustomer reviews0 reviewsAverage rating:0out of5stars, based onreviewsBe the first to review this item!Write a reviewRead all reviewsPolicies & PlansSee any care plans, options and policies that may be associated with this product.BackElectrode, Comp-166164256, DC-prod-dal1, ENV-prod-a, PROF-PROD, VER-19.40.5-rc-3, SHA-4a7b55c630479224dd332955fad6056359f69ba1, CID-Be the first to save!Email addressSign UpPrivacy PolicyStay ConnectedMobile appsHelpFeedbackMoneyCenterPrivacy & SecurityCA Privacy RightsTerms of UseWalmart services
*See All Services
*Walmart MoneyCenter
*Walmart Credit Card
*Product Care Plans
*Walmart Pay