Science-Based Nutrition Dietary Supplement Helps Promote Healthy Sleep Vegan Non-GMO Gluten Free 5-HTP (5-hydroxy L-tryptophan) contains a naturally occurring metabolife 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 neurotramsmitter 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. Helps promote healthy sleep Helps promote calm and relaxation Helps Support mental and emotional well-being