Testosterone replacement is the only way to treat a diagnosis of low testosterone. However, here are some ways you may be able to naturally raise your testosterone level: Exercise and Lift Weights. ... Eat Protein, Fat, and Carbs. ... Minimize Stress and Cortisol Levels. ... Get Some Sun or Take a Vitamin D Supplement. ... Take Vitamin and Mineral Supplements. ... Get Plenty of Restful, High-Quality Sleep.