12 Natural ways to increase Testosterone 12 Natural ways to increase Testosterone can improve sexual arousal, increase muscle mass and improve your male vitality , even if you have normal testosterone levels. Higher levels of testosterone can make it easier for you to get aroused and can boost your sex drive generally. While this doesn’t affect the physical action of your erections, if you are not getting hard because you’re not aroused then boosting testosterone could help. Premature ejaculation – studies have shown that testosterone does not affect…