"There's just one fairly large problem with that statement. Namely, that it's not true at all.
"No matter what the claims on that bottle of raspberry ketone supplements say, nothing you eat can speed up your metabolism to the point of slimming down. What's more, obese people don't necessarily have slower metabolic rates than thin people. And science can prove it."
Click on the link below for a debunking of one of the most common advertisements on the internet (Sorry, Dr. Oz):