As long as you come close to your numbers (how close remains a subject of debate), you have a lot of flexibility on what foods you can use to get there. Also known as 'flexible dieting,' it turns old-school, calorie-based dieting on its head by focusing instead on the amount of protein, carbohydrates, and fats making up those calories. In recent years, a dietary approach called IIFYM, or 'if it fits your macros,' has taken the fitness world by storm. Calories | Macronutrients | Lean Body Mass | Basal Metabolic Rate
