Supports Relaxation and Promotes Restful Sleep*
Pharmaceutical Grade (USP)
Encourages Positive Mood

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.6 inch
Height : 1.7 inch
Length : 4.6 inch

Item Weight: 10.24 ounce (View shipping rates and policies)
Shipping Weight: 10.4 ounce (View shipping rates and policies)

ASIN : B0019LWV56

Product Description

Supports Relaxation Pharmaceutical Grade (USP) Encourages Positive Mood Promotes Restful Sleep Vegetarian Formula L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating sleep, positive mood and immune function. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. NOW L-Tryptophan is pharmaceutically pure - every lot is tested to be free of Peak E and microbial contamination.