Caloric Deficit
Quick Definition
A state in which you consume fewer calories than your body expends, leading to weight loss over time.
In-Depth Explanation
A caloric deficit occurs when energy intake from food and beverages is less than the total energy the body uses for basic functions (basal metabolic rate), physical activity, and the thermic effect of food.
To lose approximately one pound of body fat, a cumulative deficit of roughly 3,500 calories is needed. Most health organizations recommend a moderate deficit of 500-750 calories per day for sustainable weight loss of 1-1.5 pounds per week.
Creating a caloric deficit can be achieved through reducing food intake, increasing physical activity, or a combination of both. Extreme deficits can lead to muscle loss, nutrient deficiencies, metabolic adaptation, and disordered eating patterns. Consulting a healthcare provider before starting any weight loss program is recommended.