Burn fat, build muscle, and better your health in less time with HIIT People want to reduce fat, gain muscle, rather than spend a complete lot of time doing it. An easy way to do this is farmaciaunica.com/kamagra-ajanta-pharma/ . There is absolutely no easy way. The quickest and most effective way to reduce fat and increase muscle mass is through High-Intensity INTENSIVE TRAINING . HIIT is based on short, intense burst of full capacity exercise accompanied by low activity or rest in intervals. The more intense the exercise, the less you do.