Ephedrine is a stimulant chemical that is found naturally in some plants and herbs. As a stimulant, it causes an increase in metabolism and other body processes - as a result, your body burns more energy. Keto Kenetics Ephedrine definitely helps to burn more energy and this has been proven conclusively. It was once available in capsule form in many countries but has now since been banned in most of them. The major side effect of any stimulant, ephedrine included, is that there is a cost for working your body harder than normal and you normally pay for it by the need to sleep for longer in order to recover.