I’ve always heard it expressed as: * Carbs should have a ceiling * Protein should have a floor * Fat is a lever to adjust based on your goal (lower for weigh

I’ve always heard it expressed as: * Carbs should have a ceiling * Protein should have a floor * Fat is a lever to adjust based on your goal (lower for weight loss, increase for weight gain) But there are still edge cases, like if you get zero carbs and a ton of protein your body will compensate by converting protein to carbs (glucose, via gluconeogenisis)