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 has been naturally found in southern and in central India and here they are utilised in traditional medicines for about 2000 years. In the historical Indian text, this is called as gurmar, where this word means sugar destroyer that provides an indication that these are used in the medicine. This is utilised for reducing the glucose absorption which takes place inside your body and even declines the foods sweetness, this could be best suited for those people who want to reduce their weight as well as for those who wants to decline the sugar level which is present in the blood. This is also utilised in Ayurvedic medicine.

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 essential to all living cells and is a vital component to a healthy diet. Calcium absorption for the body largely depends on magnesium to facilitate this.

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 possesses salicin that offers identical effect as aspirin and exhibits no side effects. This is the basis for aspirin synthesis. Chinese healers used it to control pain and the Native Americans also understood the value of it to get relief from headaches as well rheumatism. This also reduces fevers. The advantage of white willow bark is that it also helps in reducing weight and aids the diet goals. It is an anti-inflammatory and is analgesic, anti-rheumatic, fever reducer and gives relief from inflammatory pains such as rheumatism, carpal tunnel syndrome and arthritis. White willow bark is found in Asia and Europe. Taking one or two capsules at mealtimes is recommended. However, this dosage should not be exceeded. This does not exhibit significant side effects, but the tannins present in the white willow extract may result in stomach upset and may trouble if a person is allergic to aspirin.