Tongkat Ali Extract and Tribulus Complex holds a wide array of health benefits. It can help boost testosterone levels and improve libido. It can help improve muscle mass and exercise endurance. It may also support blood pressure, help reduce anxiety/stress, and also boost mood. Double Wood Supplements provides 1,000mg of the 200 to 1 tongkat extract along with 20mg of Tribulus per servings. A total of 120 capsules (2-4 Month Supply) is included. All Double Wood products are made and tested right here in the USA.