Training to build muscle mass elevates testosterone, and elevated testosterone helps build muscle mass. Testosterone is the quintessential male hormone for building muscle mass. Having normal levels of testosterone is also crucial for a myriad of other benefits, including well-being, enhanced energy, increased libido and, potentially, improved athletic performance. Every guy should be seeking to maximize his T levels, even if muscle building isn’t his primary goal. Guys should be especially focused on boosting testosterone if they’re trying to add muscle mass.
Testosterone levels decrease after you eat sugar, which is likely because the sugar leads to a high insulin level, another factor leading to low testosterone.
In addition to Peak Fitness, strength training is also known to boost testosterone levels, provided you are doing so intensely enough. When strength training to boost testosterone, you'll want to increase the weight and lower your number of reps, and then focus on exercises that work a large number of muscles, such as dead lifts or squats.