There are many different weight loss solutions out there. This includes all sorts of pills, drugs and natural supplements. These are claimed to help you lose weight, or at least make it easier to lose weight combined with other methods. They tend to work via one or more of these mechanisms:

Reduce appetite, making you feel more full so that you eat fewer calories.
Reduce absorption of nutrients like fat, making you take in fewer calories.
Increase fat burning, making you burn more calories.

Here are the 12 most popular weight loss pills and supplements, reviewed by science

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