Caffeine is a bitter, white crystalline xanthine alkaloid that is a psychoactive stimulant drug. Caffeine was found by a German chemist, Friedrich Ferdinand Runge, in 1819. He coined the term kaffein, a compound in coffee (the German word for which is Kaffee), which in English became caffeine (and altered to Koffein in German).

Caffeine is found in varying amounts in the beans, leaves, and fruit of some plants, where it acts as a natural pesticide that paralyzes and kills certain insects feeding on the plants. It is almost unremarkably consumed by people in infusions extracted from the bean of the coffee plant and the leaves of the tea bush, also as from various foods and potables bearing products derived from the kola nut. Other sources include yerba mate, guarana berries, and the Yaupon Holly.

Caffeine pills are ofttimes used for weight loss, and as a pick me up later in the day. The mean caffeine pill contains 200mg of caffeine, tantamount to two cups of strong coffee. They are not inherently unsafe but do require carefulness.

Caffeine pills are a great deal advertised as being "as safe as coffee" but unlike coffee it is very easy to take too much caffeine. This can head to horrific effects. Caffeine effects are common problems in people with eating disorders. These substances stimulate the systema nervosum centrale of the body and can cause addiction.

Some people believe that caffeine pills will not help them lose weight. Drinking caffeinated potables or taking pills containing caffeine ultimately excites increased appetite for sweets and fatty foods. So you should stay away from sweets for the sake of loosing weight.

Caffeine pills are an extremely popular choice for those wanting to lose weight or boost their energy. Since the level of success is high, caffeine pills are the top dietary supplement on the market today. Caffeine pills have varying outcomes on those who take them, and while they put up benefits, they also pose risks. Caffeine pills for weight loss have been on the market for about 50 years, and if they worked efficaciously, anyone who wanted to lose weight would use them. They clearly are no substitute for diet and physical exertion and will not make massive weight loss.