American Ginseng is a plant having leaves growing in a circle. The flowers are umbrella shaped and are yellowish green in color. American ginseng can be used only if it is four to six years old. Hence, it is expensive, but, is now grown on farms. American ginseng roots and the root hairs are used to make products. American ginseng is more relaxing than the Asian ginseng that has stimulating effects. American ginseng is available in water and alcohol extracts, capsules, powders and tablets. This is also obtainable in various combinations and herbs. American ginseng is not recommended for children. This herb helps in strengthening the body as well as in treating disease. These can trigger side effects and also can interact with other supplements, herbs or medications. The side effects of American ginseng include insomnia, anxiety, high blood pressure, diarrhea, vomiting, vaginal bleeding, nosebleed, headache and breast pain. Women in the stages of breast feeding or pregnancy are not recommended.

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.

Garcinia Cambogia is a small fruit that looks just like a small size pumpkin. An extract from its fruit and rind has been used to prepare various products mainly for weight loss. This herb, which is mainly found in India and some parts of Asia, is believed to suppress appetite and enhance fat-burning due to the presence of hydroxycitric acid (HCA) in the extract. This is how it works - HCA inhibits an enzyme called citrate lyase that plays an important part in converting excess carbohydrates into fat, but when it is inhibited, the body burns the extra carbs. While animal studies have suggested reduced food intake and decrease in body fat, human trials have not been so conclusive.

Green Tea Extract increases energy expenditure and affects fat oxidation, which therefore promotes weight loss by increasing the body's metabolism.

Siberian Ginseng is also called eleutheros. These possess identical properties of Chinese ginseng, but are completely different. This is used as herbal remedy in Chinese medicine as well as in Russian folk medicine. Chinese prescribe this herb to enhance sexual and physical stamina as well as to restore natural balance in the body. This is as well a preventive medicine to avert flus and colds. This herb promotes immune system is apparent from the studies and this studies have proved to be advantageous as memory enhancement tool. It is best to consult the physician prior to taking any of these herbs. Nursing mothers or pregnant women having high blood pressure or sleeping disorders should not take eleuthero. Children are also not prescribed for the same. However, this herb is available in powders, tinctures, and pills or even dried to add to tea. This should be purchased from reputed manufacturers. The side effects caused are drowsiness, mild diarrhea, high blood pressure, vomiting and insomnia.

Vanadium is a chemical element that not much is known about but is being used as a dietary supplement and increasing insulin sensitivity.