Great pre-cardio supplement which can assist prevent the breakdown of muscle in the course of aerobic pastime. Studies were carried out that show supplemental BCAA's can spare muscle during excessive endurance exercise which include that worried in long period cardio. This does no longer suggest you should take pleasure in excessively lengthy cardio sessions in your tries to burn fat, but it does suggest that by means of the use of BCAA's you could probably spare precious muscle tissues from being used as energy.