Pure Encapsulations Melatonin 0.5 mg - Natural Sleep Helper for Bedtime - Regulates Sleep-Wake Cycle - 0.5 mg Melatonin - Sleep Supplement* - Vegan & Non-GMO - 60 Capsules
Melatonin is a hormone produced by the pineal gland, the organ which regulates the body's sleep/wake cycle. The hormone is secreted in a circadian rhythm by enzymes, which are activated by darkness and depressed by light.*
