Dr oz raspberry ketones: Dr Oz’s ‘Miracle Fat Burner’ Raspberry Ketone Does It Work
Dr. Oz’s ‘Miracle’ Diet Pills: 5 Controversial Supplements
This week, Dr. Mehmet Oz, host of “The Dr. Oz Show,” sat down to explain to senators why he, as a surgeon and popular doctor, promotes what some experts have called unscientific claims about “magical” weight-loss products on his show.
Sen. Claire McCaskill, D-Mo. — chairwoman of the U.S. Senate Committee on Commerce, Science and Transportation’s Subcommittee on Consumer Protection, Product Safety and Insurance — led a panel on Tuesday (June 17) that targeted weight-loss diet products that their manufacturers claim will help consumers burn fat but have little or no reputable scientific data to support such claims.
“I don’t get why you need to say this stuff, because you know it’s not true,” McCaskill told Oz.
On his show, Oz has called some herbal weight-loss products the “magic weight-loss cure” and “the No. 1 miracle in a bottle.” Once these products are mentioned on the show, they can sell out instantly — a phenomenon known as the “the Oz effect.
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However, Oz said he uses “flowery language” to give his audience a little nudge of hope and motivation to lose weight, because they already know that adjusting diet and exercising are the things they need to do. [ 10 Fitness Apps: Which Is Best for Your Personality? ]
He added that he personally believes in the products he promotes, even though scientifically, they might not hold up.
“I actually do personally believe in the items I talk about on the show. I passionately study them. I recognize that, oftentimes, they don’t have the scientific muster to present as fact. Nevertheless, I would give my audience the same advice I give my family, and I have given my family these products,” Oz said.
Here is a look at some of the supposedly metabolism-boosting, weight-loss supplements Oz has endorsed, for which there’s scarce scientific data:
Green coffee bean extract: Perhaps the most well-known weight-loss supplement that Oz has popularized is green coffee bean extract, whose major ingredients are chlorogenic acids.
“You may think magic is make-believe, but this little bean has scientists saying they’ve found the magic weight-loss cure for every body type. It’s green coffee extract,” Oz said about the supplement during an episode that aired in 2012.
Testifying in front of the panel, Oz defended his endorsement of green coffee beans by citing a study that found people who took the supplements did lose weight. However, that study was funded by the product’s manufacturer, McCaskill noted.
These purported weight-loss supplements could even be harmful, recent research suggests. A study in mice, published last year in the Journal of Agricultural and Food Chemistry, found that chlorogenic acid in green coffee bean extract didn’t help prevent weight gain in mice fed a high-fat diet and was linked to an unhealthy buildup of fat in the liver.
Raspberry ketone: Oz has called raspberry ketones “the No. 1 miracle” fat-burner. This compound found in raspberries has been tested in animals and in cells in the lab, but never for weight loss in humans.
Some research in animals has suggested that it might increase some measures of metabolism. Still, there is no reliable scientific proof that it improves weight loss in people, and no study has examined its safety and dosage.
Garcinia cambogia extract: Garcinia cambogia is a small, tasty fruit native to Southeast Asia, and was featured in Oz’s “The Newest, Fastest Fat Busters” episode. The extract contains a compound called hydroxycitric acid (HCA) that is touted for weight loss, but studies have produced mixed results. One study, a randomized controlled trial published in The Journal of the American Medical Association in 1998, even found that people who took the supplement as part of their weight-loss diet lost less weight than the control group who took a placebo.
African mango diet pill: Irvingia, or African mango extract, is another product touted for weight loss that Oz has talked about on his show. In a 2013 review of studies, published in the Journal of Dietary Supplements, the researchers concluded that the effects of this supplement on body weight and related outcomes were unproven, and therefore, they said, the supplement could not be recommended as a weight-loss aid.
Saffron extract: This expensive, exotic spice that is frequently used in Middle Eastern cooking has much folklore describing its ability to lighten up mood, but modern science hasn’t found it is a “miracle appetite suppressant” as Oz has claimed. No independent studies of the supplement have found that it helps people lose weight.
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Dr. Oz’s Raspberry Ketones Dismissed by Dietitian as TV Hype
Is Dr. Oz more showman than doctor? His theatrical endorsement of dubious weight loss products points to the former. On his show this week, in a 75-second segment, he introduced a ‘revolutionary metabolism booster that you’ve never heard of’: raspberry ketones.
While displaying a generic purple jar of capsules, Dr. Oz said, “I have vetted these; I’ve looked at them carefully; I am absolutely enamored. I know they work.” His segment assistant Lisa Lynn, a supplement-selling personal trainer, was by his side, along with a morbidly obese woman who had “tried everything.” Was Dr. Oz laying it on thick for a questionable product? No, not when you consider Dr. Oz is on TV.
Raspberry ketones are compounds that give red raspberries their aroma. In the US, they are used primarily in the food flavor industry. In Japan, however, raspberry ketone capsules are used as a weight loss supplement. Raspberry ketones are not to be confused with blood ketones produced in diabetes and on very low carbohydrate diets.
The hypothesis is that raspberries ketones affect biological activities that alter lipid metabolism. That fat-blasting claim rests on two small mice studies that show when mice are fed a high-fat diet supplemented with raspberry ketones they gain less body fat than expected.
But be clear: raspberry ketones have not been studied in humans and they have not been proven to work. To be fair, Dr. Oz said, “There have not been a lot of human studies, but animal studies are favorable.” Somehow, for me, that got lost in the hype.
To strengthen his points, Dr. Oz asked Lisa if she has “lots of clients who swear by raspberry ketones.” Lisa agreed they “swear by it” and she has seen “firsthand results from these products.” Her word is apparently meant to substitute for randomized controlled research published in peer-reviewed journals.
Lisa goes on to recommend a dose of ‘100 mg at breakfast and, if that amount isn’t giving you optimal results, take another 200 milligrams at lunch.’ That dose, 100 to 300 mg/day, is the human dose equivalent of what worked in laboratory mice. Unfortunately, that dose costs around $20 to $60 a month, for a still unproven product.
For anyone unwilling to take a supplement, eating raspberries will also work, according to Dr.
Oz and Liza. But, while raspberries are good food, that won’t do the fat-busting trick: it takes 90 pounds of raspberries to extract the daily dose of raspberry ketones. Raspberry ketone capsules are actually synthesized in the lab because supply is scarce, demand is growing, and they are expensive.
And so, did Dr. Oz lead us astray on the raspberry ketone claim? He did if you believe he has a medical obligation to the viewer. Call me jaded, but I believe Dr. Oz’s only obligation is to his network. I don’t say I agree with it, but it is what it is, at least for today. We, the viewers, are obligated to watch out for ourselves and our families. We are obligated to distinguish between legitimate medical fact and TV hype. It makes sense to be wary of products that promise a quick fix and dramatic results, regardless of the credentials of the person who said it. Never give credit to recommendations based on small animal studies, and realize that supplement makers depend on gullible TV viewers to buy useless products.
Dr. Oz may think his endorsement jives with the Hippocratic Oath to “first, do no harm,” and he’s right. Raspberry ketones have not been shown to be harmful to humans, yet.
Also Read:
Raspberry Ketones Touted as Miracle Fat Burner by Dr. Oz
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| Stock | ||
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| Trans fat | 0 m | 0% |
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Yet 2000 calories. Raspberry Ketones? Previous | Share | Complain | Next 25 August 2019 @ 20:45 Raspberry Ketones My Secret Supplement to Help You Get in Shape Quickly – Raspberry Ketones so that my aroma is exclusively raspberry, but not the food that These raspberry ketones are currently on special offer. Healthy Origins, Triple Strength Razberi-K, Raspberry Ketones, 300 mg, 180 Capsules $8.99 Manufacturer’s Description 90 228 – Economy Pack – Non-GMO – Gluten Free – Dietary Supplement – Healthy Origins Razberi-K Raspberry Ketones are a great addition to your diet and exercise program. Raspberry Ketone is a natural phenolic compound that is responsible for the wonderful aroma of raspberries. Raspberry ketones have been used for decades in natural flavor and aroma ingredients. What we really have is a lightweight plastic jar containing medium-sized aromatic capsules. In the photo above – the capsules on the left correspond to Healthy Origins Raspberry Ketones 300mg, on the right – Healthy Origins Raspberry Ketones 100mg (I don’t remember if I wrote about them or not). As I wrote at the very beginning of the post, I drink raspberry ketones as needed. | ||
