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NOW L-Tryptophan 220mg

NOW L-Tryptophan 220mg

Store / NOW
C$11.99
In stock
Product Details
Brand: NOW
  • Source of an essential amino acid for the maintenance of good health
  • 60 Veg Capsules

L-Tryptophan is a large neutral amino acid essential to human metabolism because it is the metabolic precursor of serotonin (a neurotransmitter), melatonin (a neurohormone), and niacin (vitamin B3) which assist in the regulation of sleep, positive mood and immune function. L-Tryptophan is not synthesized by the body and must be obtained from the diet.

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NOW L-Tryptophan 220mg
Store / NOW
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