Pro Factor Performance Surge Than you use to add greater muscles or more muscle you should consume calories. There's no two techniques about it, in case you are not finding a satisfactory level of calories you're fighting a losing struggle in building muscle. You'll want your supply of calories from trim resources of protein like a quality whey protein powder, slim pieces of skinless and meat poultry. You will get the others from complex sugars including brown fruit , oats and rice /greens. Chuck some essential fatty acids within and you'll be on the road to your bigger you that are stronger.