Yes, you can lose weight using these bells. With proper use, size and practice, you can enjoy amazing results. On average, you can burn up to 400 calories in just 20 minutes by using these belts. Such efficient results come because the workout with bells gets your heart pumping even faster. Thus, you can end up losing calories about as much as you can lose by running a 6 minutes mile. Plus, they are easy to use and thus best for beginners to upgrade their bod.