Cardio has been the most popular form of weight loss, and it is actually the most effective form of fat burning.  In order to understand this, you have to realize that without a workout regimen in general, you are not going to actually burn fat or lose weight that is not an easily changeable form such as water weight.  You can participate in varying types of cardio such as the regular and understood jogging or cardio classes like step classes.  But you can also use jump roping, riding a bike, or even taking a kickboxing or dance class or self defense if you have the right instructor.  Cardio is requires to get your heart pumping at a higher rate and make you feel invigorated in general.  Some people think that they have lost fat without cardio, but again it is usually easily regained water weight, not fat. 

But if you want to get the best results with cardio, you should first exercise in the morning when you first wake up.  It will really get your body and workout going in general, and it will maximize results in general, because when you wake up early in the morning and start with this, you actually end up burning more calories throughout the day.  Studies have shown this morning routine can rev up your metabolism leading to faster fat loss.  In addition, of course combine this with a sensible eating plan as the more calories you have to burn off, the less extra fat you will be able to burn.  But eat enough as you don’t want your body to starve.  And finally, combine it with strength training and lean muscle will naturally rev up and maintain your metabolism.