 Once you hit 40, your body has less free testosterone. I got Nugenics Total T, and it's made a huge difference for me. I've seen that ad on TV. Is it for real? Oh, yeah. The key ingredient is something called Tessnor, which helps boost free and total testosterone levels to help you trim up and stay lean. And it's made a difference for you? Man, I feel like I'm in my 20s again. At work, in the gym, and in the bedroom.