Melatonin helps keep the circadian cycle in tune</br>Works to maintain cellular health and to regulate a system of self-repair and regeneration</br>Melatonin naturally diminishes with age as the pineal gland becomes calcified</br>It has strong antioxidant properties</br></br>Product Description</br></br>Life Extension Melatonin 6 Hour Timed Release?? releases from the pineal gland?? reaching its peak at night to help maintain healthy cell health throughout the body.82 Secretion of melatonin declines significantly with age?? as the pineal gland becomes calcified. Jet lag?? shift work?? and poor vision can disrupt melatonin cycles.</br><br/>http://www.amazon.com/gp/product/B0044JXB40