Southeast Asia. Here are some of the key benefits of Tongkat Ali: Increased testosterone levels: Tongkat Ali may help increase testosterone levels in men, which can improve muscle mass, energy levels, and sex drive. Improved fertility: Tongkat Ali may improve sperm quality and quantity in men, potentially enhancing fertility. Reduced stress and anxiety: Tongkat Ali may help reduce stress and anxiety, potentially improving mood and overall well-being. Improved athletic performance: Tongkat Ali may help increase endurance and reduce fatigue, potentially improving athletic performance. Anti-aging effects: Tongkat Ali may have anti-aging effects, potentially improving skin health, reducing wrinkles, and increasing overall vitality.