Citrus Aurantium, More commonly called "bitter orange", which is taken from unripe oranges. Research shows that citrus aurantium can increase the metabolic rate without affecting heart rate or blood pressure, breaks down fat, burns calories and may act as an appetite suppressant.

Green Tea Extract is very popular with the health conscious community, mainly because of the broad antioxidant features, which are provided by the green tea catechins. It is a very popular nutritional supplement, much more popular than regular green tea, because several green tea extract products have no caffeine. Caffeine is actually contained in larger quantities in green tea than in coffee. Besides the already mentioned catechins, further polyphenols are included in the Asian tea favorite. Green tea furthermore contains carotenoids, ascorbic acid – more commonly known as Vitamin C, Minerals and tocopherols. While there are many proven qualities of green tea extracts, some lesser researched effects have been observed, like reduction of LDL cholesterol, increasing the levels of norepinephrine, weight loss and additional antioxidant qualities.

Hoodia Gordonii grows in Namibia and South Africa naturally. It is a leafless spiny plant useful for medicinal purposes. These flowers are pollinated by flies mainly as they smell identical to rotten meat. Hoodia is known long by indigenous population and is infrequently used for treating small infections and indigestion. This is used to suppress appetite during long hunting trips such as Kalahari Desert that interests more tourists. Hoodia Gordonii was prominent for it appetite suppressing effect and hence was collaborated with Pfizer, a pharmaceutical company to deal with obesity. However, it was stopped as it is stated to have indications of effects on liver. Hoodia Gordonii is wild harvested by individuals as well as by few companies that are granted license. However, there is no evidence of Hoodia working in humans as appetite suppressant. Due to the lack of clarity and fear of breaking down of liver, it is not recommended for obesity.