Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance. L-tryptophan may also be converted to niacin. Source Naturals L-Tryptophan is regularly tested to ensure the highest standards of quality and purity.
EAN: 0021078026082
Manufacturer: Inventory Management Services- HPC
Brand: Source Naturals
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