Does raspberry ketone work for weight loss?

I’ve had several patients ask about raspberry ketone for weight loss. They heard about it on Dr. Oz’s TV show. He calls it a “miracle fat-burner in a bottle.”

Dr. Oz claims that taking 100 mg at breakfast helps burn fat … and now it’s flying off shelves. This is just the newest of the “take something extra and the weight drops off” fantasies.

Well, to avoid putting you between my opinion and Oz’s opinion, let me share a report from the pharmacology and natural medicine experts at the Prescriber’s Letter:

Raspberry ketone gives raspberries their smell. It’s used as a flavoring and fragrance agent for food and cosmetics.

Now it’s purported to help weight loss by increasing lipid metabolism. But this comes from lab animals … NOT humans.

Safety is also a question. It’s safe when used in small amounts in foods … but the higher doses in supplements have NOT been tested in humans.

Furthermore, raspberry ketone’s structure is similar to synephrine.

In fact, we’re already getting reports of palpitations and reduced warfarin effects in patients taking raspberry ketone products.

Even though advocates call it “natural,” explain that raspberry ketone is usually made in a lab … not from real raspberries.

The Prescribers’ Letter tells healthcare professionals “to steer clear of raspberry keytone.” Until there’s data showing safety and efficacy, I’m going with the experts at Prescriber’s Letter and not Dr. Oz.

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1 Response to Does raspberry ketone work for weight loss?

  1. phil says:

    As a physiologist, it is HIGHLY unlikely that any substance will cause more calories to be burned without: a) increasing the resting/basal metab (typically with negative side effects), or b) increasing activity. The term “fat burning” is so misunderstood, that I NEVER use it except as an illustration.
    So go out and be MORE ACTIVE- it has ONLY GOOD side effects!!

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