Men who want to build better and more lean muscle mass may need to boost their testosterone levels. Many men choose natural testosterone booster supplements. As long as they are of quality and have the purity levels needed you can experience a lot more effective results from your workout. You can also add nutritional foods to enhance even the supplement you choose. Eggs (the whole egg-yolks and whites), chicken, beef, oysters, garlic, broccoli and cabbage are the foods that can increase testosterone levels.