Science-Based Nutrition™ Dietary Supplement Vegan / Non-GMO / Gluten Free / Soy Free Doctor's Best 5-HTP (5-hydroxy L-tryptophan) contains a naturally occurring metabolite of the amino acid tryptophan. 5-HTP is extracted from the seeds of the Griffonia simplicifolia plant. 5-HTP is converted in the brain to serotonin, a neurotransmitter substance found at the junctions (synapses) between neurons. It produces a calming and relaxing effect providing support to help maintain mental, emotional well-being, and to promote healthy sleep. Doctor's Best 5-HTP is tested to ensure that it does not contain "Peak X."
