Fat burning pills

Xenical works by inhibiting pancreatic lipase, an enzyme that breaks down triglycerides in the intestine. Without this enzyme, triglycerides from the diet are prevented from being hydrolyzed into absorbable free fatty acids and are excreted undigested.

Only trace amounts of orlistat are absorbed systemically; the primary effect is local lipase inhibition within the GI tract after an oral dose. The primary route of elimination is through the feces. At the standard prescription dose of 120 mg three times daily before meals,  Xenical prevents approximately 30% of dietary fat from being absorbed,and about 25% at the standard over-the-counter dose of 60 mg. Higher doses do not produce more potent effects.

Check with your doctor to see if Xenical prescription drug is right for you.

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2L of water a day is all it takes to loose alot of weight! and to clean your system.

From what I've heard I'd stay with the skepticism. 

They just make you lose water and some make your heart race.  Don't waste money on gimmicks.