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Having trouble sleeping due to shift-work or jet lag? Melatonin is a naturally occurring hormone in the body that regulates the sleepwake cycle. Melatonin 5 mg provides melatonin to help increase the total sleep time in people suffering from sleep restriction or altered sleep schedule, such as shift-work or jet lag.
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Adults ? 19 years: Take 1 to 2 tablets daily at or before bedtime. Do not drive or use machinery for 5 hours after taking melatonin. For use beyond 4 weeks, consult a health care practitioner.