Testosterone tablets, gels and creams and can elevate your T-levels but the best testosterone booster for men is a combination of proper diet, regular exercise, enough rest and reduced stress. Nugenix Review These four factors serve as the best natural testosterone booster for your body. They can help increase your body's own production of testosterone naturally so that you can enjoy improved sexual and overall health. A healthy lifestyle is the biggest testosterone booster for men. Not only this, men who have frequent sex often have better testosterone levels. This is because simply getting an erection can give a surge to your testosterone levels.