By Now Foods
Buy new: $20.00
19 used and new from $16.66
Customer Rating:
First tagged by B. A. Brewington "TruthSeeker"
Customer tags: vitamins, now foods, supplements
Review & Description
L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and stress response. L-Tryptophan helps support relaxation, 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. Read more
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