Medical weight loss programs often use weight loss medications as a tool for appetite control. Patients who are moderately to severely obese may be directed to use these products to control hunger and jump-start weight loss.

Paleo diets focus on foods that Paleolithic man caught or gathered: free-range meat, eggs, seafood, vegetables, fruits, seeds and nuts.

With an overwhelming number of weight-loss supplements flooding the market today, it's best to only use those supplements that have proved to be effective in a clinical setting; this way you will get the best results, while conserving money and being safe.

Some people worry that the chemical additives in processed foods and beverages accumulate in their cells, causing toxic effects. Proponents of the lemon diet claim that it neutralizes these chemical toxins and expels them from your cells.

Phentermine, which is sold under the brand name Adipex-P, is a prescription appetite suppressant; it belongs to a class of drugs called anorectics. Doctors prescribe phentermine along with a low-calorie diet and exercise program to treat obesity.

It’s undeniably tempting—the idea that by taking a daily pill, you could drop those last five or 10 pounds. Diet pills prey on that temptation, promising rapid weight loss without diet or exercise. However, the way they achieve their results are usually unhealthy and unsustainable.

You can drink it fresh in shot form, take it as a pill or use it in powdered form to add to your smoothie or juice. Wheatgrass is a dietary supplement typically taken to boost nutrient intake. While it won't help you lose weight, the low-calorie supplement won't sabotage your efforts, either.

People use diet pills to help shed unwanted pounds. Some diet pills are available over-the-counter and others require a prescription, but both can produce mild or serious side effects.

Chorizo is a type of spicy Spanish or Mexican sausage that is usually made from pork or beef. Unfortunately, chorizo is very high in calories, as well as in potentially harmful dietary components like fat, cholesterol and sodium.

No weight loss supplement has been proven to be safe or effective as a treatment for obesity in children. The only nonprescription weight loss product approved by the U.S. Food and Drug Administration-- a drug known as Alli or orlistat-- is considered safe only for adults over age 18.

Digoxin is drug usually prescribed with furosemide to treat congestive heart failure, a condition in which the heart stops pumping blood efficiently to the body. Heart failure causes excess fluid to build in your body. Furosemide, a diuretic pill, helps remove this excess fluid.

If you’re looking for a quick weight-loss fix, you might be tempted to splurge on high-tech products that claim to burn away fat quickly and easily.