5-HTP helps neurotransmitters in sending messages through the nervous system that contribute to your mood and well-being. It helps maintain a positive outlook and supports a calm and relaxed mood.Recommended Dosage: Adults, take one (1) capsule, three times daily with meals. Use for a minimum of 1 week to see beneficial effects; consult a health care practitioner for use beyond 1 year.Medicinal Ingredients: Each capsule contains: L-5-Hydroxytryptophan (Griffonia simplicifolia, Seed) 100 mgValerian (Valeriana officinalis, Root) 50 mgMagnesium (Magnesium Oxide) 25 mgNiacinamide 5 mgVitamin B6 (Pyridoxine Hydrochloride) 5 mg. Non-medicinal ingredients: Dibasic Calcium Phosphate, Gelatin, Silicon Dioxide, Magnesium Stearate.Caution: Consult a health care practitioner prior to use if symptoms persist or worsen or if you are taking carbidopa or drugs/supplements with serotonergic activity such as L-tryptophan, S-adenosylmethionine, St. John's wort, antidepressants, pain killers, over the counter cough and cold medication containing dextromethorphan, anti-nausea and anti-migraine medication. Discontinue use and consult your healthcare practitioner if you show signs of weakness, oral ulcers, or abdominal pain accompanied by severe muscle pain or if you experience skin changes. Consumption with alcohol, other medications or natural health products with sedative properties is not recommended. Exercise caution if operating heavy machinery, driving a motor vehicle or involved in activities requiring mental alertness. Some people may experience drowsiness, diarrhea, nausea, vomiting and abdominal pain. Do not use this product if you are pregnant or breastfeeding or have scleroderma.