Melatonin is a natural and effective sleep aid. It is physiologically produced by the organism (pineal gland in the brain) to regulate circadian sleep/ wake cycles, secreted in the blood stream at night-time and inhibited by light; ability to produce melatonin is thought to decrease when the organism gets older. Melatonin’s supplementation is capable of naturally and safely promote and regularize sleep as confrmed by EFSA health claims which recognize that melatonin is able to reduce the time to sleep and alleviate the effects of jet-lag.