Testosterone is important for muscle mass, fat loss, and health. Learn how to naturally increase your T levels with weightlifting and more. To increase your testosterone levels naturally, avoid processed, packaged, and prepared foods, which can increase your weight and lower your testosterone levels. Learn how garlic, oysters, fatty fish, leafy greens, and other foods can help increase testosterone levels and improve your health. Find out which nutrients, antioxidants, and compounds are essential for testosterone production and balance.