Here are 6 workout/nutrition tips that are both gym- and research-proven to help you optimize lean muscle growth: http://muscle.ms/6Muscle pic.twitter.com/1xMhs8tOFB

Here are 6 workout/nutrition tips that are both gym- and research-proven to help you optimize lean muscle growth: http://muscle.ms/6Muscle 

First seen here > https://twitter.com/Muscle_Strength/status/854685782585610240

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