Medical Health Encyclopedia
褪黑激素（Melatonin）
Melatonin is a hormone naturally produced by the pineal gland that regulates the sleep-wake cycle. As a supplement, it is used to treat insomnia and jet lag.
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Melatonin is a hormone naturally produced by the pineal gland that regulates the sleep-wake cycle. As a supplement, it is used to treat insomnia and jet lag.
