Melatonin is a hormone produced in the brain, whose synthesis and release is stimulated by darkness and suppressed by natural or artificial light. It is involved in the circadian rhythm, biological rhythm. It controls sleep-wake cycles, phases and quality of sleep, body recovery during the night... Melatonin also determines the body's aging rhythm: it slows down the aging process. And it is a powerful antioxidant, capable of directly and effectively protecting the brain from the action of free radicals. It is recommended: when suffering from any sleep disorder, to avoid "jet lag" when traveling to places with different time zones, from the age of 40, in order to slow down the aging process and in immune system dysfunctions. Directions: Take 1 tablet daily half an hour before bedtime. Take before bedtime on the first day of travel and a few days after arriving at the destination. The beneficial effect is obtained with an intake of 1 mg of melatonin shortly before going to sleep. Ingredients: Stabilizer: xylitol; anti-caking agents: magnesium salts of fatty acids and silicon dioxide; melatonin (1.8 mg).