Setting up your own iifym diet a pragmatic way of calculating your energy macronutrient needs is to start by using a bmr calculator and the harris benedict equation to factor your daily activity levels see link below for most active weight trainees eating around 1g of protein per pound of lean body weight is recommended. If it fits your macros the ultimate guide to iifym flexible diet burn fat gain energy and build muscle while eating the foods you love hi im katherine katy wright over the years i have tried everything under the sun in order to lose weight and stay fit my enthusiasm for fitness and diet have led me to find out exactly what does and what doesnt work. The original iifym o if it fits your macros o the iifym macro diet why iifym take control of your weight loss journey while eating the food you enjoy this is not a diet and weight loss journey while you eat the foods you love get started now get real results with your. If it fits your macros iifym such as whey and eggs to build muscle and reduce fat what iifym really is the calories ultimately determine whether and how much weight we gain or lose but a way of eating with a screwed up macronutrient intake will undoubtedly result in certain undesirable physiological effects. Many questions have been brought up here and answers are on the way if it fits your macros iifym a flexible approach to dieting iifym also referred to as flexible dieting has made waves in the health and fitness industry over the past decade and has garnered a heap of both lovers and haters