Buy 5 Htp Tryptophan
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5 HTP Tryptophan - 5-HTP is a precursor of serotonin (5-HT). The diverse physiological funtions of serotonin in the body include actions as a neurotransmitter, a regulator of smooth muscle function in the cardiovascular and gastrointestinal system. Buy 5 HTP Tryptophan on discount at HerbsMD.com.