The amount of Hoodia required to reduce appetite is different from one person to another.. To our knowledge, there have been no official studies on the correct dose of hoodia gordonni to decrease appetite.. 400mg seems to be the dosage that most people taking the supplemt have reported as working for them. 800 mg og hoodia power is the same as eating 16 ounces of real hoodia taken right from the plant. This amount of real hoodia would be very hard for the average person to eat as it has a very bitter taste. Just one mouth full of hoodia eaten from the plant has been said to reduce hunger for a full day the San Bushmen, but exact records of amounts eaten and effects in terms of hunger loss are not available.

Investigative reporters from the BBC (Tom Mangold) and 60 Minutes (Leslie Stahl) chewed small amounts of Hoodia plants and described dramatic effects on their own appetites and thirst. These experiences were widely described in print, radio and TV media. Reductions of appetite by Hoodia does not and will not occur in every person.