There is evidence that the use of an EMS can marginally increase your energy expenditure. However, there isn’t enough evidence to say that EMS on its own is an effective weight loss strategy. EMS is not a HIIT workout or a type of cardio on its own. For the best results, use EMS in conjunction with other cardio and the correct diet if you’re trying to lose weight. There is evidence that the use of an EMS can marginally increase your energy expenditure. However, there isn’t enough evidence to say that EMS on its own is an effective weight loss strategy. EMS is not a HIIT workout or a type of cardio on its own. For the best results, use EMS in conjunction with other cardio and the correct diet if you’re trying to lose weight.