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A 19-year-old male asked:

I started gym 1 month ago..my trainer told me to take ..deca mass supplement...mass gainer..can i take it..am an athelete(cricketer)..side effects..?

1 doctor answer2 doctors weighed in
Dr. Howard Feinberg
Rheumatology 38 years experience
Stay away: This type of supplement is dangerous. It is not adequately tested and contains ingredients which can cause permanent health problems. Ask your doctor before taking any bodybuilding supplement. Very few are worth considering and most are not necessary.
Last updated Oct 14, 2017

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