Dietary supplement. Hoodia Gordonii 20:1. Hoodia Gordonii is a succulent found in the Kalahari Desert of South Africa. The San Tribesmen of the Kalahari have been using Hoodia as a food source for thousands of years. Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.