Enhance performance on training days, and give yourself a metabolic advantage on rest days, with Lean Muscle. Lean Muscle not only improves muscular endurance so you can max out your rep range, its muscle- and strength-building blend helps you achieve the physique you’re working so hard for. But even on rest days, you can enhance fat burning by taking Lean Muscle. Plus, key ingredients support speedy recovery so you can spend less time recovering and more time making gains in the gym.