Can you lose 3 pounds every day?

it is theoretically possible to lose 3 pounds per day. This would require a calorie expenditure of 10,500, assuming no calorie intake. Going without food will send your body into starvation mode and you will not be likely to have the energy needed for the physical activity. To burn this number of calories, you would need to jump rope at a fast pace continually for 12 hours straight.