Most people know melatonin as extracellular melatonin, released by the pineal gland, which acts as a hormone to promote sleep. Melatonin is also a powerful int

Most people know melatonin as extracellular melatonin, released by the pineal gland, which acts as a hormone to promote sleep. Melatonin is also a powerful intracellular antioxidant that protects cells against oxidative stressors made in mitochondria as byproducts of ATP production. Aside from the pineal gland melatonin, melatonin is produced directly in mitochondria by cytochrome c oxidase upon exposure to near infrared. https://youtu.be/2Zzo4SJopcY?t=404 https://youtu.be/2Zzo4SJopcY?t=404 That seems more relevant to this discussion.