It probably is not "bad" for you. Extenz is nothing more than herbs and vitamins repackaged and sold at outrageous profit playing off of men's fears. The herbs supposedly act to reduce the constriction of blood vessels and allows more blood into the penis. This gives the temporary appearance that it is larger, when in fact you are actually just getting a chubby.
Spend more time accepting your body like it is, and spend the money on a nice dates with good women. The end result will probably turn out better.
Spend more time accepting your body like it is, and spend the money on a nice dates with good women. The end result will probably turn out better.