5-HTP Griffonia 50 mg - 60 caps. (Solaray) - The L 5 - HTP (L-5-hydroxy-tryptophan), alleging Griffonia, turns the body into serotonin, a neurotransmitter key to the central nervous system. This product is packaged in gastro-resistant capsules order to optimize its efficacité.APPORT BY GELULEL-5-hydroxy-tryptophan 50 mg