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If you want to bulk up, you can't rely on just hitting the gym. What you put into your body plays an extremely important part, too. From the sources of nutrients you choose to the amount of protein you consume, here are four tips from Carolyn Brown, R.D., nutritionist at Foodtrainers, to help you build muscle, so you can look good and feel good.
1. All Calories Are Not Created Equal
"You can't bulk up on a crappy diet," Brown says. "What you're eating is going to play a huge roll in gaining muscle mass."