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Amino acid derivative

5-HTP

5-HTP (5-hydroxytryptophan) is an amino acid derivative the body makes from tryptophan on the way to serotonin and melatonin. Supplements are usually made from Griffonia seeds.

Also listed as 5-hydroxytryptophan, HTP, 5HTP

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What does a Griffonia label tell you?

The amount of extract and its 5-HTP concentration are separate details. Verbraucherzentrale notes that preparations vary in composition, so an extract amount alone does not describe the amount of 5-HTP. 1

Sources