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Diet pills have different mechanisms for promoting weight loss depending upon their active ingredients.

Generally diet pills fall into one of three categories, namely: appetite suppressants, fat binders or fat burners.

So what diet pill will work for you?

This really depends upon your approach to weight loss -
still unsure, take a look at our weight loss diet pill reviews for our recommendations.

Appetite Suppressants

Over eating is considered one of the main contributors for weight gain. So reducing the desire for food logically would decrease food consumption and lose weight.

Appetite suppressants affect the hypothalamus, the area of the brain that controls appetite, by triggering a feeling that you are full. By reducing intake the assumption is that you will lose weight, as you calorie intake will be markedly decreased.

The most popular appetite suppressants include Hoodia Gordonii (or more specifically P57), a plant that is in short supply.

We review the following appetite suppressant diet pills:

• ProshapeRX
• Pure Hoodia
• Reductil
• UniqueHoodia
• Xenical

Fat binders

Just as the name suggests, fat binders work by binding or “gathering” the fat and preventing it from being digested. Fat binders have been named fat magnets!

Taking a proven effective fat binder less fat and calories from meals are digested and absorbed into the body. Some fat binder diet pills do have some side effects, so be sure to read our reviews for more information.

• Alli
• Lipobind
• Proactol

Fat burners

Fat burners trigger an increase in basal metabolic rate to increase the number of calories burnt event at rest. As such, fat burners usually contained stimulants like ephedrine, caffeine and aspirin as their active ingredients. Ephedrine has been banned for use in diet pills by the FDA, so other ingredients have been used, such as green tea.

We review the following fat burner diet pills:

• Acai Burn
• Hydroxycut
• Lipovox
• Lipozene

Carb Blockers

Carb blockers are designed to prevent the metabolism of carbohydrates into stored fat.

There is no evidence from clinical studies from mainstream medical and research communicates to indicate that carb blockers work in the long-term.

Most manufacturers of carb blockers claim a reduction between 30 and 45 grams of carbohydrates is possible. There are no reliable long term studies to back this up and the supplement industry is not regulated by the FDA.

Some of the reported side effects of taking card blockers include, gastrointestinal distress, heartburn, excessive gas and diarrhea.

We do not currently review any carb blocker diet products.

Read about whether diet pills actually work?