If you're not familiar with the phrase 'iifym' it stands for 'if it fits my macros', a craze that started being used by people competing in fitness physique competitions who needed to be of a certain weight/size but now had been adopted by a lot of gym go-ers.
It is a calculated daily amount of protein, carbohydrates and fats based on your weight usually and sometimes activity level..and yes there is a lot of science behind it that it will help to lose weight however it requires daily weighing of food/packet checking and/or entering it into a tracking device to make sure the correct quantities have been met.
A lot of people will say this approach to 'dieting' allows them to have what they want to eat (e.g. A biscuit) as long as it fits into their daily allowance. Sounds great huh? Well, that means there would need to be some compromise throughout the rest of the day.
My belief is that all food is to be enjoyed in a relaxed way, with a mindfulness on eating things that have a benefit to...