Why protein is the key macro for weight loss
Most diets argue about carbs versus fat. The macro that actually decides whether weight loss goes well is the one they rarely fight over: protein. Get it right and you keep muscle and feel full; get it wrong and a diet quietly costs you both.
Protein protects muscle
When you eat in a calorie deficit, your body can pull energy from fat or from muscle. Adequate protein, combined with some resistance training, tilts that choice toward fat and protects the lean tissue that keeps your metabolism up.
This is why two people can lose the same number on the scale and end up looking completely different. The one eating enough protein loses mostly fat; the one who skimps loses muscle and rebounds faster.
Protein controls hunger
Protein is the most filling macronutrient per calorie. A breakfast built around protein keeps you satisfied for hours, while a carb-heavy one often leaves you hungry again by mid-morning. That difference is what makes a deficit livable instead of a battle.
Practically, this means front-loading protein and anchoring each meal around it, rather than treating it as a side.
How much you need
A practical target for weight loss is roughly 1.6 to 2.2 grams of protein per kilogram of body weight per day, higher within that range if you're very active or training hard. For an 80 kg person that's around 130 to 175 grams.
Our protein calculator gives you a precise range, and Equil counts grams from a photo of your plate, so you can see whether you actually hit it, meal by meal, instead of guessing.
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