Melatonin is a natural hormone made from an amino acid known as tryptophan. It helps to calm our bodies and prepare us for sleep. Perception of daylight plays a role in melatonin production and this is why we should be producing more at night time. Excessive travel and poor bedtime habits could cut down on production and this is where Douglas Labs’ Melatonin Prolonged Release Tablets may be able to help. The melatonin in Douglas Labs’ Melatonin Prolonged Release Tablets may also perform as an antioxidant. Since it is water and fat soluble‚ it can cross the blood-brain barrier during absorption and potentially help reduce free radical damage.