Melatonin: More Than Sleep | A Guide to Benefits & Dosing
Modified on Dec 05, 2025 |
Deirdre Layne
Melatonin is best known for promoting restful sleep, but its benefits reach far beyond bedtime.
It’s a hormone your body naturally produces in response to darkness. Its main job is to regulate your internal clock (circadian rhythm), signaling when it’s time to rest and recover.
Researchers now understand that melatonin’s influence extends throughout the body. It acts as a powerful antioxidant, immune modulator, and protector of heart, brain, and metabolic health.
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