Answered by AI, Verified by Human Experts
The true ofmelatoninis A: "it is a sleep hormone, which is released by the pineal gland into thebloodstream".Melatonin is commonly used as adietary supplementto help regulate sleep patterns and treat insomnia. It is also used to help reduce symptoms of jet lag,seasonal affective disorder (SAD), and shift work sleep disorder. Additionally, melatonin has been researched for its potential use in treating various health conditions, including headaches, depression, and cardiovascular disease.Therefore, melatonin is a hormone produced by thepineal glandin the brain that helps regulate the sleep-wake cycle by making a person feel drowsy and preparing the body for sleep.You can learn more aboutmelatoninatbrainly.com/question/5557798#SPJ4...