There always had been more hype about creatine, testosterone enhancers and nitric oxide boosters, and the focus has always been to gain more muscles, as in gain "massive amounts" of muscle in a short period of time. Then there's or branch chain amino acid supplements honestly advertised by manufacturers that go beyond profiteering, but are aware that other than gaining muscle mass, some nutrition are as essential to be buff and tuff- among them Nutra Tosterone found in a popular product Scivation's Xtend supplement. Scivation's Xtend bodybuilding supplement went out to the market recently, perhaps a couple of years ago. It's true that supplements are necessary to boost muscle mass gain, but it is as important to take nutrition that alleviates muscle soreness and hastens quick recovery after your workouts, too. Xtend supplement provides your muscles with more sustainable energy. Xtend bodybuilding supplement can be used as a complement to your pre and post workout energy drink. During your workout itself, take the supplement, and also on your off weight training days when you're doing cardio exercises, for example..