(BPT) - Losing weight can dramatically improve your emotional and physical health, but it’s often a slow process. Millions of American adults use dietary supplements to lose weight, choosing a range of products that claim to decrease appetite, block fat absorption or increase metabolism. But with hundreds of products on the market, how do you determine which one to choose?

Here are some myths and facts about weight loss and weight-loss supplements that may help you cut through the clutter:

Fiction: You can lose weight fast ... and keep it off.