Supplements play a key role in getting results, regardless of what you do in the gym. But when your goal is to get lean while retaining muscle and maximizing performance, supplements become critical. That’s because as calories and macronutrients drop, it’s harder to build muscle while maintaining energy. But the right supps allow you to get optimal amounts of certain nutrients in a concentrated form. For the RHC 2013, we recommend you add these supplements from the MuscleTech Performance Series.