Melatonin by Nutricost uses only high quality melatonin. Each batch is tested for quality by independent iso-accredited laboratories. For healthy individuals 18 years and older. Consult a healthcare professional prior to use if you are pregnant or nursing, taking medication, or have a medical condition. Keep out of reach of children. Do not use if safety seal is broken or missing. Melatonin by Nutricost contains 5mg of high quality melatonin in each capsule. Ingredients: Melatonin, rice flour, capsule (gelatin). As a dietary supplement, take 1 capsule daily at or near bedtime with 8-12 oz of water or as directed by your healthcare professional.