It was first used as a libido enhancer, the market of men who have problems with their fertility has been seen using this too to be able to produce quality sperm cells. It is good for improving blood circulation that its why even men who have problems with their impotency also take tongkat ali. In Malaysia this is available in a coffee form, and it is very affordable. Here in United States however, the common form of tongkat ali is in a pill or capsule and taken as a daily supplement. Take this with foods high in zinc and your testosterone levels will increase dramatically.