Back cover is a brand of dietary supplement, which is sold as an auxiliary means to lose weight. Hydroxycut was originally developed and manufactured by MuscleTech. . Testosterone was sold to Lake Iovate Health Sciences in 2003-2004 and declared bankrupt in 2006. It's time to continue to use testosterone as the back cover of brand market.

From Wikipedia:

Hydroxycut is a dietary supplement brand, which is sold as a weight-loss auxiliary product. Hydroxycut was originally developed and manufactured by Muscletech Research and Development; . MuscleTech was sold to Iovate Health Sciences in 2003-2004 and declared bankrupt in 2006; Iovate continues to use MuscleTech as a brand to market Hydroxycut.