How to Understand Macronutrients Simply: The One-Minute Mental Model That Actually Works

Macros in One Minute: The Car Analogy That Sticks If you can remember what a car needs to run, you already understand macronutrients. Carbohydrates are the gas - quick, ready-to-burn energy. Protein is the engine parts - the structural pieces that rebuild and repair. Fat is the oil - it keeps everything lubricated, supports hormones, …