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A 38-year-old member asked:

What are best product to gain extreme amounts of muscle mass?

1 doctor answer4 doctors weighed in
Dr. Steven Simon
A Verified Doctoranswered
Physical Medicine and Rehabilitation 39 years experience
Protein and exercise: Exercise specific to the muscle increases bulk. Protein is needed to do this, so eat lots.
Last updated Sep 22, 2017
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