I only know Tongkat Ali as one of the main ingredients in food supplement. Although I am not taking it personally it is said to be helpful in increasing the s drive of a person. So for those who are impotent, there is nothing to lose if you try it out.
Check this information below about Tongkat Ali as ingredients in coffee products, which I found being displayed in stall in the hospital here in Tondo.
Tongkat Ali is a tree native to the jungles of Malaysia, Thailand and Indonesia. It is commonly known as Tongkat Ali in Malaysia and Singapore, Bumi in Indonesia. The Tongkat Ali (Eurycoma Longifolia jack) tree can grow up to about 12 meters in height.Native consider every part of the tree as medicine. The roots of Tongkat Ali is also promoted as tonic and aphrodisiac