Q

What is the core principle behind IIFYM and why is it considered ineffective for many people?

From 5 years of verified research · Vassili Sandqvist
A

IIFYM, or If It Fits Your Macros, is based on the idea that as long as you hit your macronutrient targets, the specific foods you eat don't matter for weight loss. However, this is ineffective for the majority of individuals trying to lose fat because it overlooks the psychological aspects of food dependency, particularly for those who struggle with food addiction.

This is one answer. The complete system — the psychology, the biology, and the method — is in the book.

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