What is Creatine used for and are there any side effects?
Creatine is a dietary supplement that some people claim can build muscle and improve athletic performance. Creatine is also a naturally occurring substance found in the body. Some research studies indicate that creatine may indeed improve performance in physical activities including short sprints and weight lifting. However, creatine does not seem to build muscle or improve performance in endurance activities like swimming or distance running.
Responses to creatine vary widely amongst different people. Although there are generally few side effects, there have not been many studies conducted on creatine's side effects. Uncommon side effects from creatine include cramping, diarrhea, dizziness, dehydration and weight gain due to water retention. In rare cases, reported creatine side effects include kidney damage.
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