The Size 0 Review

Caffeine is the most widely available legal psychoactive stimulant drug. Also known as theine, methyltheobromine and trimethylxanthine, this xanthine alkaloid is not only found in coffee beans, but also in guaranine that is derived from guarana, mateine derived from mate, theine which is found in various teas and the kola nut, which is the base flavor of various Cola soft drinks. It stimulates the central nervous system, where it restores alertness and wards off drowsiness. Caffeine is also know to display certain diuretic properties, is an ergogenic, an atagonist of the adenosine receptors, and a cAMP levels increasing factor. It seems that caffeine helps prevent the onset of Parkinson’s disease and in the long run lowers the possibility of developing a heart disease.

Green Tea Extract increases energy expenditure and affects fat oxidation, which therefore promotes weight loss by increasing the body's metabolism.

Hoodia Gordonii, which although popular, has no published randomized controlled trials in humans to show hoodia is safe or effective in pill form. One study published in the September 2004 issue of Brain Research found that injections of p57 (The Active ingredient in Raw, Fresh Cut Hoodia, not dried) into the appetite center of rat brains resulted in altered levels of ATP, an energy molecule that may affect hunger. The animals receiving the P57 injections also ate less than rats that received placebo injections. However, this was an animal study and INJECTIONS IN THE BRAIN are very different from oral consumption, so it cannot be used to show that oral hoodia can suppress appetite in humans. Hoodia Gordonii is a succulent (a cactus of the aloe family) found in the Kalahari desert of South Africa. Most Hoodia Gordonii products contain very little, if any of the active ingredient needed to suppress hunger. Real Hoodia is very rare and is even an endangered plant. Most importantly, Hoodia has only demonstrated any effect in fresh, raw pieces of the plant. The effectiveness of powdered Hoodia has yet to be shown and may actually increase hunger. It's main use is as a cheap alternative to the more expensive weight loss herbs, which are the only alternative left after the banning of ephedra. Most supplement manufacturers can not use the more expensive weight loss herbs because it will result in a product that would be too expensive to compete with other more popular inexpensive diet supplements.

Some Unknown Ingredients, which is a common practice for many supplement manufacturers. They use ineffective common ingredients and trademark their name for them to disguse the actual low quality ingredient contained.