Metformin is a synthetic compound available in low cost generic form. For the instant, Belgian researchers have tested the drug with good results on roundworms. The human trial is expected next year The new clinical trial called Targeting Aging with Metformin, or TAME, is scheduled to begin in the US next winter. Metformin , he first-line drug of choice in the treatment of type II diabetes was first approved in Europe in 1958. Americans had to wait until 1994 to legally obtain it. Doctors in the United States were taught to avoid drugs in the class of metformin, even though metformin itself was being safely used throughout the world, The substance has already good properties serving the anti cancer combat. Scientists now believe that it is possible to actually stop people growing old as quickly and help them live in good health well into their 110s and 120s.