Who really needs testosterone? NPR's Will Stone reports on who really needs testosterone therapy. WILL STONE, BYLINE: A few times, Jamin Brahmbhatt suspected he might have low testosterone, so he got his numbers checked. BRAHMBHATT: Testosterone has gotten a bad rap because you can just walk into these clinics, get testosterone. BERNIE: It's really, really important for our overall health - for muscle, for bone, for energy, for moods.