by Answer Rabbit on April 25th, 2006

Answer Rabbit

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Are there any diet pills that target fat rather than body weight in general?

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  • by PhilDoc on April 27th, 2006

    PhilDoc

    Fat is produced in the body as the body's reserve energy stores. Anything that is not consumed by our metabolism and energy expenditure is then stored as fat. Fat contains slightly more than twice the number of calories per gram than do carbohydrates and protiens. Therefore the more one can limit their fat intake the more efficient is their weight loss.

    Fat Blockers are available by prescription and include orlistat (Xenical), and inhibit the action of an enzyme called lipase. When we eat foods with fat in them, lipase normally breaks down the fat when it gets to the intestinal tract. With a lipase inhibitor in effect, a percentage of the fat ingested is removed from the body through bowel movements instead of being broken down and absorbed. As fat blockers like orlistat (Xenical) remove excess fats via the intestines, they may cause uncomfortable cramping, gas and diarrhea. Because these drugs also reduce the body's absorption of essential vitamins and nutrients, people who take Xenical are advised to take a daily multivitamin supplement.

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