The prescription testosterone market in the United States is substantial and growing, with more than 5 million prescriptions written annually and an estimated $1 billion in sales. More striking still is the booming self- medication with testosterone supplements. Testosterone "boosters"-often herbal or vitamin‑based products-represent a $3.7 billion global market projected to nearly double by 2030.This means there are 3 million users in the United States, and epidemiologic studies suggest up to 30 percent of long-term AAS users may develop addiction,
"Once the world realizes that, I think everyone is going to want it. Every middle-aged guy who once played competitive sport and is now suffering from back pain is going to say, 'What is he on and how do I get it?'"