Eat 5-6 meals per day, spaced out every 2-3 hours, to maintain your body fueled which will help prevent muscle breakdown. Drink plenty of water the whole day to help with digestion and all-around health. Consider supplementing with protein powder, creatine, and HMB to guide muscle growth and recovery. https://fitness-landen.theblogfairy.com/29250295/the-best-exercises-for-losing-weight-a-beginner-s-guide