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Facebook YouTube Twitter Pinterest How Stuff Works Health. Health Facebook YouTube Twitter Pinterest Many over-the-counter diet pill manufacturers say their product will help you see miraculous weight loss -- like losing up to 30 pounds in 30 days -- without diet or exercise. Their claims sound too good to be true, and most of them are. A few pills, especially the newer prescription varieties such as Meridia and Xenicalhave been shown in clinical studies to help dieters shed a few pounds.
But the majority of the ads you see on the Internet and TV are for products that are unregulated, untested and unproven. Even the most effective diet pills are pillw meant to be taken for a short period of time -- usually six months or less. During that time, doctor-prescribed weight-loss drugs can trim anywhere from 5 to 22 pounds, or up to 10 percent of your body weight.
But after six months, your body develops a tolerance to these drugs' effects, and weight loss plateaus. After that, if best diet pills with little side effects don't also follow a healthy eating and exercise plan, the weight will come right back. Different diet litle contain different ingredients, so their side effects vary: 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.
Sibutramine Meridia and sside similar appetite suppressants stimulate the sympathetic nervous system, which can raise blood pressure and heart rate. This increases the risk of heart attack and cardiac arrest, especially among people who already suffer from high blood pressureirregular efects or heart disease.
In fact, between February and Marchthe FDA received reports best diet pills with little side effects 49 deaths related to sibutramine. Other, more minor side effects include constipation, headachedry mouth and insomnia because the chemicals in these drugs also influence sleep patterns. Herbal diet pills, even though they're "all natural," can have potentially dangerous side effects depending upon their ingredients.
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