Adding Testosterone to Viagra May Not Help ED. For men with low testosterone, taking testosterone along with Viagra may not help their erections more than if they only took Viagra, a new study shows.Nov 19, 2012
Adding Testosterone to Viagra May Not Help ED. For men with low testosterone, taking testosterone along with Viagra may not help their erections more than if they only took Viagra, a new study shows.Nov 19, 2012