A calorie deficit plan is simply a structured approach to eating fewer calories than your body needs to maintain its current weight , so your body burns stored fat for energy. This is the foundation of weight loss —no matter which diet you follow (keto, intermittent fasting, low-fat), they all work by creating a calorie deficit. How It Works Maintenance Calories: The number of calories your body needs to maintain your current weight. Calorie Deficit: Eating fewer calories than that number. Example: Maintenance calories: 2,200 per day Eat: 1,700 per day Deficit: 500 calories daily This deficit over time leads to weight loss (around 0.5 kg / 1 lb per week for every ~500-calorie daily deficit). What Does a Calorie Deficit Plan Include? A well-structured plan typically has: Calorie Target: How many calories to eat per day. Macronutrient Balance: How much protein, carbs, and fats to help keep you satisfied and energized. Meal Planning: What meals and snacks fit within y...