Caffeine is a methylated xenthine discovered in 1819 by Friedrich Ferdinand Runge, a German chemist. Sources of Caffeine include beans, fruit and leaves of some plants. Caffeine available for human consumption is most commonly extracted from the coffee plant cherries and tea bush leaves, as well as foods and drinks that contain products derived from the kola nut. Caffeine can temporarily reduce the sensation of being tired; however, this does not mean that it eliminates the need for sleep. Generally, twenty five to fifty milligrams of caffeine is enough for most consumers to report an increase in alertness and arousal. Caffeine should be not be consumed by those with fecal incontinence as it relaxes the internal anal sphincter muscles.

Cinnamon reduces fasting blood sugar levels.

Green Tea Extract is currently being promoted by the health conscious community as a weight loss product, which does not do this incredible concoction of helpful ingredients justice. Many green tea extracts nowadays exclude caffeine, to avoid the associated side effects and lower the ingestion of this legal addictive stimulant. The main characteristic of the green tea extract should be the antioxidative effect, which surpasses Vitamin C twentyfold. But the other traits are not to be forgotten, it is anti-inflammatory, anti-carcinogen and anti-radiation. The unique combination of green tea catechins, derivatives of apicatechin, and flavonoids, which belong to the same family, are proven scavengers of free radicals and an unavoidable addition to any dietary supplement combination, body building or weight loss as the target objective.

Raspberry Ketones have become a chief ingredient in various food supplements these days due to their fat-burning properties. They are a chemical compound found in the fruit that give it its characteristic fruity smell and flavor. While it has most of the goodness of capsaicin that is also known to improve metabolism, it does not lead to side effects like stomach irritation. Intake of raspberry ketones leads to increase in production of a hormone called norepineprine that enhances the metabolic rate of the body by increasing its temperature. Studies reveal that raspberry ketone supplements reduce the body's ability to synthesize dietary fat. Raspberry ketone supplements not just help in reducing the fat, but also help in reducing fatty deposits in blood vessels when the norepineprine levels in the blood increase.