http://brainammofacts.com/testx-core/ 

It is no wonder why when people think about improving their physiques by losing body-fat, the first thing they think of is cardio. But here is the problem...

If your goal is a lean and   testx core muscular physique, cardio may be destroying your efforts.

When implementing a cardio protocol, I like to apply the "minimum effective dose" or MED. The MED is the MINIMUM amount of something you need to produce a result.