Citrus Aurantium is the Latin name for a citrus tree which grows bitter oranges. Traditionally being used by Chinese medicine and herbologists, the extract of the orange and the peel was used as a dietary supplement in concoctions with other herbs to suppress appetite. While other active ingredients of the citrus aurantium may contribute and even promote the effect, the main ingredient used in all weight loss products is synephrine, an alkaloid similar to ephedrine. It is a phenethylamine; it influences the alpha1 adrenergic receptor, constricting blood vessels, additionally increasing the heart rate and the blood pressure. In most cases the use of synephrine is paired with a diet and body building plan, where weight loss and muscle building is essential.

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

Kola Nut is native to Africa, mainly found in the tropical rain forests. There are about hundred and twenty tree species which belong to this family, their fruit, the kola nut, being the interesting feature. It has been traditionally used for chewing, with an effect where hunger cravings subsided. The popularity of the kola nut was established by The Coca-Cola Company, which used the kola nut as an ingredient in this popular drink. Many other similar drinks and also energy drinks feature this ingredient. The kola nut, although featuring caffeine, provides a xanthine mixture with catechins which not only stimulate the central nervous system but also has analeptic and lipolytic properties, as well as chronotropic effects. Further effects include enhanced alertness, physical energy, mood and tactile sensitivity, as well as appetite suppression.

Phenylalanine, which may aid in weight loss through the feeling of satiety or fullness by taking phenylalanine with a glass of water 20 minutes before a meal.

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.

Yohimbe is an alkaloid and the active ingredient of a medicinal herb also known as Pausinystalia yohimbe, formerly named Corynanthe yohimbe. It is noted as a stimulant drug and also as an aphrodisiac. While the medicinal community has conducted numerous studies of yohimbe in conjunction with sexual dysfunctions, in veterinary medicine, yohimbine is employed as the antidode to anesthesia stemming from the drug xylazine in large and small animals. In recent times, yohimbine has been found to instigate fat loss in athletes when taken orally. There are also some formulations available, for a significant price, where yohimbine can be directly applied transdermally to adipose tissue, leading to a local reduction. This application is still in experimentation and should not be used without professional assistance.