Research indicates that Melatonin may be associated with the regulation of sleep/wake cycles. Melatonin is a potent antioxidant that defends against free radicals and helps to support glutathione activity in the neural tissue.*Contains no: sugar, salt, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.Caution: If you are under medical supervision seek the advice of your physician or health care professional prior to use. IndividUñals with auto-immune conditions, depressive disorders, those taking sedatives or corticosteroid drugs, or pregnant or lactating women should consult their physician prior to use. This product may cause drowsiness. Do not operate a vehicle or heavy machinery following consumption of melatonin. Keep out of reach of children.NOW® Melatonin has a minimum purity of 99%.Store in a cool, dry place. Please Recycle.