www.truemuscle.com – How Does Hoodia Diet Pills Work? Hoodia gordonii- The ingredient in hoodia—now known as P57—which is responsible for its appetite-suppressant effect, and patented it in 1996. Hoodia is causing quite a stir for its ability to suppress appetite, thereby promoting weight loss. The CBS television news program, 60 Minutes, and the buy antibiotics British network, BBC have already featured stories about Hoodia. www.truemuscle.com