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L-Tryptophan is the essential amino acid that acts as a precursor to 5-HTP, serotonin, melatonin, and niacin. Tryptophan assists with normal sleep patterns, mood, and appetite. Use with care when combining with SSRI’s, or other substances that increase serotonin levels.
| Country of Origin | United States of America (USA) |
| Shelf Life | 6 month |
| HS Code | 210690990002 |
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