It has been estimated that 60 percent of the hoodia being sold in the United States is impure, and many of the Hoodia products you encounter when doing a search are probably the top culprits.

Desert Burn has an array of Hoodia products, and they boast a 750mg Hoodia capsule, and a variety of other Hoodia products. Their web site is informative, and their products have been laboratory tested for purity, certificates are available on their site.