5 Effective Tricks to Build Muscle in 2 Weeks First off, DETOX! Time to flush out toxins! ... Increase you protein intake. According to ACSM , in order to increase muscle mass, it is recommended that a person eat a range of 1.2 to1. ... Stay Hydrated. ... Get 7 or more hours of sleep each night. ... Tone it up! Jul 15, 2021