Much of our fast growing Health & Fitness community has concerns relating to what to eat; whether it be in terms of Mass Building or Weight Loss. This must be one of the most popular discussion topics for any individual. It is very clear that any successful exercise programs consists of 50% diet and 50% training. Most people train to no results since they are lacking in their nutritional plan. The manipulation of your carbohydrate and protein intake is the key. As a general rule, Mass Building requires that you increase your carbs, and for Weight Loss that you increase your protein intake.  Below is a simple food guide which will lists the best carbohydrate and protein sources for the categories of Mass Building and Weight Loss. Use the guide as simply that..  - Best Carbohydrate Sources - Mass Building Weight Loss Pasta Yams Breads ~ whole grains Potatoes Cream of wheat ~ oats Beans ~ vegetable White rice Brown rice ~ wild Fruits Oats ~ oat bran - Best Protein Sources - Mass Building Weight Loss Steak ~ red meat Chicken breast Turkey ~ ground Egg Whites Whole eggs Tuna ~ in water Cottage Cheese ~ 2% milk Fish ~ cod Protein drinks ~ replacements Turkey breast