Source Naturals, Serene Science® L-Tryptophan 500 mg, 120 capsules Black Cohosh Provides prebiotic FOS to promote

Provides prebiotic FOS to promote probiotic viability

yet there comes the thought and impulse to do them

250 tablets

Other Ingredients: Hydrox

hydration and promotes skin

Source Naturals, Serene Science® L-Tryptophan 500 mg, 120 capsules Black Cohosh Provides prebiotic FOS to promoteDescription The essential amino acid l tryptophan is the precursor for the synthesis of both melatonin and serotonin, a hormone and a neurotransmitter involved with mood and stress response and sleep wake cycles. It helps support relaxation, restful sleep, and positive mood. If needed, l tryptophan converts to niacin in the body, an important B vitamin. SERENE SCIENCE L TRYPTOPHAN is extremely pure and is regularly tested to ensure the highest