Item #: 008583
L-Tryptophan 500mg Vegicaps 60/Bottle
L-Tryptophan is an essential amino acid for humans for the synthesis of melatonin and seratonin, hormones regulating sleep, positive mood, and the immune system.
Our McGuff L-Tryptophan is USP (United States Pharmacopia), pure, every batch is tested to be free of Peak E and other contaminants. We also offer 5-HTP; see item #8611.
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Note on Pricing: Price listed below represents physician pricing. Retail pricing will
be higher. Please call 800-854-7220 for retail pricing.