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Weight Loss6 min read

Understanding Calorie Deficit: A Beginner's Guide to Weight Loss

What a calorie deficit is, how to calculate yours, and how to lose fat sustainably without crash dieting or losing muscle.

Mizan Meals Nutrition Team3 February 2026
Fresh healthy salad bowl with lean protein

Fat loss comes down to one core principle: a calorie deficit. This means consuming fewer calories than your body burns. When you do this consistently, your body taps into stored fat for energy, and you lose weight. Here is how to do it the healthy way.

Step 1: Find your maintenance calories

Your maintenance level is the number of calories that keeps your weight stable. A simple estimate is your body weight in kilograms multiplied by 30 to 33 for moderately active people. For an 80 kg person, that is roughly 2,400 to 2,640 calories per day.

Step 2: Create a moderate deficit

A deficit of 300 to 500 calories per day is ideal. It produces steady fat loss of about 0.25 to 0.5 kg per week without leaving you exhausted or hungry all the time. Aggressive deficits often backfire, causing muscle loss, low energy, and rebound eating.

Slow and steady wins. A moderate deficit you can maintain for months beats an extreme diet you quit in two weeks.

Step 3: Keep protein high

During a deficit, high protein intake protects your muscle mass and keeps you feeling full. Aim for around 2 grams of protein per kilogram of body weight. This is why our meal plans prioritize protein even on lower-calorie days.

Common mistakes to avoid

  • Cutting calories too aggressively and burning out.
  • Under-eating protein and losing muscle instead of fat.
  • Drinking your calories through sugary drinks and juices.
  • Not tracking portions and unknowingly eating at maintenance.

Let us handle the math

The Mizan Meals Life Style plan delivers portion-controlled meals with calories between roughly 1,000 and 1,500 per day, making a calorie deficit effortless. Every meal is pre-calculated, so you stay on track without weighing food or counting anything yourself.

Ready to eat better without the effort?

Mizan Meals delivers macro-tracked meals from Qatar's best kitchens. Pick a plan and start today.