Caffeine may be the most popular legal addictive stimulant that is available to mankind. Besides coffee, tea, guarana and kola nut have excess amount of this xanthine alkaloid, which is actually acting as a psychoactive drug. In several plants, caffeine is an effective insect repellant, but this trimethylxanthine is deemed by the Food and Drug Administration as generally safe food substance. It is an antagonist of adenosine receptors. The effect of caffeine is individual and may more or less increase the ability to perform physical and mental labor. It reduces the effects of fatigue and may in long term help predominantly men reduce the risk of developing Parkinson’s disease. It has also been observed that caffeine has nootropic effects, furthermore, regular consumption of caffeine may significantly reduce the risk of heart diseases.

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.

Ephedra Viridis (Stems).

Guggulsterone- Commiphora wightii, or the so called Guggul tree is a flowering shrub or rather a small tree which can grow up to a size of 4 meters. Once very common in India, it is now there listed as endangered, but not in northern Africa or elsewhere in central Asia. It was very popular in the Indian Ayurvedic medicine, but also currently in the western medicine for treating of heart problems. The hydrocarbon secretion of Guggul contains a plant sterol, guggulsterone, which in the human body seems to act as an antagonist to the farnesoid X receptor. Furthermore, guggulsterone is active in increasing the natural thyroid production. This in turn stimulates the metabolism and may raise the body temperature, burning stored excess fat.

Gymnema Sylvestre, also known as Gurmar and Meshashringi, or 'sugar destroyer'. Gymnema Sylvestre leaves have a blood sugar lowering effect. The leaf extracts also contain gymnemic acid which inhibits hyperglycemia and also acts as a cardiovascular stimulant. Gymnema Sylvestre is commonly used to remove the taste of sugar, therefor reducing cravings for sweets.

L-Carnitine - The body’s fat is turned into energy by the help of L carnitine. Its production in the body is done by the kidneys and the liver. However, it’s found to be stored and present in the brain, sperm, heart and skeletal muscles. The amount of L carnitine or cartinine produced in ones body is sufficient for conversion of fat into energy. However, some people might have deficiencies in cartinine production. Carnitine has several benefits however it must not be taken without doctor’s prescription. Carnitine has been useful in the treatment of stable angina and there is evidence to support this. Apart from this, it has also found to be useful for someone who had a heart attack or heart failure.

Magnesium is another mineral which is deemed essential for all biological life. As an essential part of basic nucleic acid, magnesium ions, together with phosphate ions, are also required for over 300 catalytic reactions of enzymes. Any enzymes synthesizing or utilizing adenosine triphosphate require a magnesium ion. Incredulously enough, magnesium deficiency is the most widespread deficiency, affecting a third of the population in the United States only, with third world countries surpassing the count easily. Being also essential, together with calcium and phosphorus, in the skeletal structure, magnesium deficiency is viewed as a main factor in ailments such as osteoporosis. Naturally available through cereals, green leafy vegetables, nuts, spices, tea, cocoa and coffee, magnesium is available as a supplement in magnesium oxide and magnesium citrate form, whereby the latter is viewed as more bioavailable.

Silica is silicon dioxide, a trace mineral found in bones, teeth, skin, eyes, glands and organs. It also helps keep skin elastic. Silica works with calcium to maintain bone strength.

White Willow Bark, which is often used as a natural alternative to aspirin, and is best not to be used by individuals allergic to aspirin. White willow bark extract offers little benefit to weight loss by itself but when used with other dietary supplements, it is thought to work as a thermogenic and help to elevate energy expenditure and promote the metabolsim of fat.