History and Usage: Jarrow formulas® 5-HTP (5-Hydroxytryptophan) is an extract of Griffonia simplicifolia seeds from coastal West Africa and is verified to be free of “peak X” contaminant. Purity is assured by HPLC. 5-HTP is the direct metabolic precursor of serotonin and is important for the production of melatonin. Label Information and Ingredients: Suggested Use: Take 1 capsule per day on an empty stomach, or as directed by your qualified health care consultant.

Supplemental Facts Serving Size: 1 Capsule(s) Ingredients Per Serving % DV 5-HTP (5-Hydroxytryptophan) 50 mg * 5-HTP (5-Hydroxytryptophan) 50 mg * * Daily Value Not Established Other Ingredients: Rice flour, magnesium stearate (vegetable source) and silicon dioxide. Capsule consists of gelatin.

Contains No Added: wheat, gluten, soy, dairy, egg, fish/shellfish, nuts/tree nuts.

Caution: Keep out of the reach of children. Do NOT take if pregnant, lactating, trying to conceive, under age 18, or have a medical condition. If taking prescribed medication(s), e.g. antidepressant SSRIs, MAO inhibitors or sedatives, consult a health professional before taking 5-HTP.

QUALITY AND POTENCY GUARANTEED Websites for Further Research:

http://en.wikipedia.org/wiki/Amino_acid

http://www.biology.arizona.edu/biochemistry/p...

http://www.answers.com/topic/amino-acid#after_ad1

http://web.indstate.edu/thcme/mwking/aminoaci...