Testosterone...The Quickest Way to Pack On Muscle Mass Testosterone is the source of all strength, muscle mass, aggression, and libido. Men in their early 20's are naturally producing a high hormone levels, but around age 30, testosterone production begins to decline. Of course, the easiest (and also illegal) way to do this is by using anabolic steroids. Steroids definitely increase testosterone levels...that is basically what steroids are...synthetic testosterone. But the gains you make while on them come with a price. And I'm not just talking about money... There are many health risks associated with steroid use...and it's really discouraging when you lose most of what you gained when you go off of them. The trick has been to find a safe, natural, and legal way to boost testosterone levels and avoid the side effects traditionally associated with steroid use. After years of research and testing, a very cutting-edge lab developed a revolutionary stack of high-tech nutritional products specifically designed to help the natural bodybuilder. Introducing the most Powerful "Stack" for Hard Gainers: Andro Shock! Andro Shock may be the most potent legal testosterone support stack sold as a safe alternative to steroids with 10 dietary supplement ingredients that are believed to help boost your body's own natural testosterone levels.