HIV is a leukemia/lymphoma virus. Pau d' arco is excellent for destroying these viruses especially when combined with chaparral and andrographis. Recommended dose is one capsule of each 3 times daily before meals. Each herb should run around $8 a bottle. It generally does not take more than a month, but I recommend two months just to be on the safe side. If your health food store does not carry these ask them if they can order them for you.