What Does IIFYM Mean?

You may have noticed #FlexibleDieting -- also known as "if it fits your macros" or #IIFYM -- showing up on Instagram photos of everything from Pop-Tarts and cupcakes to rib-eyes and protein shakes.The flexible dieting approach started among bodybuilders, but has become increasingly popular over the last few years as people use it to achieve their health goals without feeling deprived.Fans of flexible dieting say that as long as you eat the right proportion of carbohydrates, protein and fat, it d