Synonyms for «building muscle»

Synonyms for individual words can be found below.

It is famous as a sports supplement for helping build muscle mass, although it has other health benefits too. (aminoacidstudies.org)
So which exercises are the best for building the muscles in the arms? (x-size.com)
The new twist on an old favorite will help build muscle mass fast in your trap workout. (build-muscle-and-burn-fat.com)
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