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A male asked:

My son(18years/55kg/165cm)using gym since 1year,he wants to use serious mass for gaining waight & building muscles. i'm worried. is ok to use it?thank

1 doctor answer3 doctors weighed in
Dr. Tanya Russo
Pediatrics 26 years experience
Caution: Nutritional supplements for muscle development can be dangerous if the kidneys are overloaded with too much protein. Most people can achieve adequate results by dietary modification, without the extra expense and risk.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Mar 19, 2015
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