Optimum Nutrition Melatonin
Melatonin is a natural hormone that is produced by the pineal gland in the brain during night time that helps regulate sleep and wake cycle. It can also be bought in oral form and has been used in alternative medicine to treat insomnia; delayed sleep phase syndrome (DSPS); rapid eye movement sleep disorder (ADHD) etc. Raising the melatonin levels in the blood will helps the body to feel less alert, sleep becomes more inviting. Melatonin supplements are safe in low doses for short-term and long-term use.