L-Tryptophan, 500 mg-120 Capsules by Source Naturals Calendula officinalis in the same family as

in the same family as beta-carotene

making it an ideal PS source for vegans

14 g Prebiotic Fiber

the cells’ energy powerhouses

a blood clotting disorder

L-Tryptophan, 500 mg-120 Capsules by Source Naturals Calendula officinalis in the same family asDietary supplement Positive Mood 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