Read about nutrition for someone aggressively exercising. Protein is important but have to have a variety of items in your diet when are learning and building muscles at an elevated rate. Anatomy and chemistry drives what your body needs. Be prepared to cook items from scratch in order to avoid sugar that is in most of the grab and at eat items. Is a lifestyle change for 99% of folks and takes some skill to put together a weekly menu that is flavorful so you stick with the plan. Is one thing to bust your rear for a few weeks but another to actually change your lifestyle.