Since all foods are allowed, many people consider this diet a welcome change from strict calorie counting or eliminating entire food groups. Food intake is tracked and adjusted as needed. Meeting your macros: Once you know your macros, you just need to stay within them each day.Calculating your macros: Calculations are used to determine how many grams of protein, carbs and fat you need each day in order to meet your weight goals.Carbohydrates, which have 4 calories per gram.Īlcohol is the fourth macronutrient, containing 7 calories per gram, but it’s not included in the IIFYM diet.įollowing the IIFYM diet is pretty simple, and only requires a few steps:.Protein, which has 4 calories per gram.Three types of macronutrients are tracked in IIFYM: Macronutrients, or macros, are the four types of food molecules the body can break down for energy.

IIFYM is a new spin on dieting that focuses on macronutrients rather than calories. The IIFYM diet was originally designed by fitness enthusiast Anthony Collova after he became frustrated with traditional dieting recommendations.