The amino acid L-5-Hydroxytryptophan (5-HTP) is created from L-Tryptophan in the body, and is a precursor to serotonin and melatonin. Allergy Research Group® 5-HTP is derived from a plant source, and is carefully tested to ensure its purity and to guarantee the absence of contaminants.
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Required Notice For California Residents: California Proposition 65 WARNING: Consuming this product can expose you to chemicals including lead which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food.