San Francisco, CA
A 26-year-old male asked:

I take a melatonin supplement almost every night because i take caffeine for my workouts. will this cause any long-term health issues? thanks!

1 doctor answer2 doctors weighed in
Dr. Chan Hwang
Physical Medicine and Rehabilitation 29 years experience
Melatonin safe: There are no data that indicates daily use of melatonin in pharmacologic doses to be unsafe. Caffeine, on the other hand, can have neurotoxic effects which may cause health problems long-term. Speak to your nutritionist or physician about this.
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Last updated Aug 4, 2014


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