A guide to If It Fits Your Macros (IIFYM)


For my first post, what better place to start than addressing what If It Fits Your Macros (IIFYM) or ‘flexible dieting’ actually is. This is one of the most widely adopted practices of achieving your goals used in current times and can yield great results. Backed by many people such as Layne Norton it has continued backing from prominent athletes and fitness personas.

The basic principle behind IIFYM is that every individual has their Basal Metabolic Rate (BMR) from which they can find their Total Daily Energy Expenditure (TDEE) based on factors such as their activity levels, job, height, gender and age. With this information you can then adjust your calorie intake according to what your goals are. At a basic level it is simple, if you want to lose weight, your calories in need to be lower than your calories out, adversely if you want to gain weight your…

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