You can improve testosterone levels in your body in several ways: Eat right: Consume foods rich in vitamins and minerals that promote improvement in testosterone levels. For e.g., foods with high levels of vitamin D, zinc, and protein help boost testosterone levels naturally (11), (12). Be physically active: Exercise arrests causes like obesity, which might lead to low testosterone levels. Reduce stress: Stress may impact the testosterone levels adversely, which might lead to low energy levels, general weakness, low libido, etc. You should practice stress management techniques like meditation and exercise to ensure overall mental and physical well being (13). Sleep well: Rest helps the body to recover easily from fatigue and exhaustion. Studies have also shown that healthy sleep patterns are directly related to improved testosterone levels (14).