Ajinomoto Health & Nutrition North America, Inc.

L-Tryptophan

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White to yellowish white crystals or crystalline powder; slightly bitter taste.

Tryptophan is an essential amino acid that is required to maintain appropriate levels of serotonin and melatonin. It is used in parenteral and enteral nutrition and is an active ingredient in many antidepressants, hypnotics and natural sleep aids.

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