Melatonin is a hormone that is secreted by the pineal gland to regulate sleep in response to light and darkness. The rhythm of melatonin secretion is regulated by the body’s master internal clock, or “biological clock,” a group of nerve cells in the brain’s hypothalamus known as the suprachiasmatic nucleus (SCN). Melatonin type 2 receptors of the SCN receive information from the eyes about the amount of light present in the environment. With darkness, more melatonin is released; eighty percent of melatonin production occurs at night.
While melatonin is involved in the regulation of several areas of health, including cardiovascular, reproductive, and endocrine functions, its most prominent role is its ability to modulate sleep. Every year, more research is coming to the forefront on this hormone, including accumulating evidence on the effects of its antioxidant activity. Melatonin may soon be commonly known for more than synchronizing sleep with circadian rhythms.
- Helps support circadian rhythm (internal body clock)*
- Helps support healthy sleep cycle*
- Helps support overall sleep quality*
- Helps support cognitive function and brain health*
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