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.

Caralluma Fimbriata- This herb is claimed to be used over centuries in India to suppress appetite and hence considered to be the best for those whose occupation is hunting. Caralluma Fimbriata resembles a cactus plant and is considered to be a member of the cactus family, yet it’s extremely succulent. It’s great for those who want to loose weight and also lower their blood sugar. For ages, it has been included in the diet of Indians and they either use it as a cooked vegetable or even mix it in their pickle. There are some who also eat it raw. By blocking the activity of various enzymes, it helps blocking the formation of fat hence, the fat reserves are burned. There are no side effects by the use of Caralluma Fimbriata as proven by Ayurvedic studies.

Forslean is extracted from the roots of the Coleus forskohlii. It is a popular ingredient in many weight loss and bodybuilding supplements because recent research shows it to initiate a chemical process in the body that results in burning of energy and fat cells. Forslean is shown to increase thyroid activity, which increases metabolism. Increase in metabolism results in burning of more calories, thus helping users lose weight. Some research also claims that Forslean can increase muscle gains in body builders while burning fat at the same time. It is also claimed to cure mood disorders.