XCell 180 You have to add protein to your diet so that your body does not cannibalize itself. Protein is the basic element for building muscles. If you don't eat enough, you will have a hard time getting more muscle mass. You need to have a minimum of two protein-rich meals a day, with at least one high-protein snack.XCell 180 Provide your body with plenty of the right fuel on exercise days. To ensure your body has enough calories and protein to build muscle, have a snack an hour before your workout begins.