Diet pills are publicized by appealing to our desire to believe that we can be slim and sexy without effort. This trickery is fueled by contrived “before and after photos,” paid-for celebrities, and fake endorsements from steroid-ridden bodybuilders.

Don’t be fooled.

The over-the-counter diet pill Alli is proving to be a big fat scam, just like its commercial predecessor Xenical. Both trade names represent the same drug: orlistat. Once ingested, the drug blocks the absorption of dietary fat intake – both good and bad fats. The activity of the drug only results in about a 5 percent loss of total body weight. Simultaneously, it puts users at risk for decreased absorption of essential, fat-soluble vitamins A, D, E, K, and beta-carotene. But there’s one more icky side effect that most people aren’t aware of until it’s too late.

Alli may go down in history as the most “embarrassing” – or at least the most revolting – diet pill in history. While leaching essential vitamins from the body, it also causes users to “poop their pants.” Its maker, GlaxoSmithKline, suggests that users “wear dark pants or bring a change of clothes to work.”

Skipping one soda per day, or maybe even just looking at a gym, would prove more effective and less risky than using Alli – and you wouldn’t have to carry a diaper to work.

Attempting to lose weight by blocking or avoiding fat is futile. That’s because eating fat in general does not make you fat. Eating unhealthy fat does. Healthy fats (from seeds, nuts, grass-fed beef, avocados, fish, and coconut oil) are essential for proper growth, development, and maintenance of good health. These vital fat sources provide your body with energy without causing you to gain weight. In sharp contrast to the bad trans-fats, carbohydrates, and even protein, healthy fat tells your body to burn fat (via lypolysis and thermogenesis), while making you feel fuller quicker – preventing you from eating yourself into the Fat Cow Hall of Fame.

So stay away from fat-blocking diet pills. And eat healthy fats to stay lean.

[Ed. Note: Diet pills are a “quick-fix” solution to losing weight that doesn’t work. But with the guidance of ETR’s health experts, you will discover lifestyle changes you can make that really will burn fat and build muscle.

Shane Ellison, a chemist and nutrition expert, can help you stop worrying about your weight, blood sugar, and what other people think.]