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Now Foods L
Macy's
Now Foods L
From Now Foods
Current price: $28.25
Macy's
Now Foods L
Current price: $28.25
Size: 120 Count
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L-Tryptophan is an essential amino acid therefore, it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function.