Many people start doing cardio workouts when they want to lose weight, as these workouts are considered to be quick and most effective for effective loss of weight. Cardio exercise is known to increase heart rate, causing heart pump to pump more blood in different parts of the body. In this process, it can promote the metabolism of the body and allow it to shed more calories. It is extremely beneficial for fat reduction and overall health and fitness. But, how to find out which cardio workouts are more effective? Here are six best cardio workouts for those who want to lose weight quickly, recommended by fitness experts. Scroll down.