Dispelling nutrition myths, ranting, and occasionally, raving

Dr Oz dishes out horseradish

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More unscientific advice from Dr. Oz. Last week he tweeted: “To prevent UTI’s naturally, take 2 teaspoons of horseradish per day. Horseradish contains oils that have anti-bacterial properties”. Lovely if it’s true and you like horseradish. Unfortunately, it seems that there is no scientific research to support this claim.

Historically, horseradish has been used medicinally both orally and externally as a poultice. However, a 2012 report states that “There are no scientific studies of horseradish that have attained even the minimum level of scientific reliability”. There is no modern medicine that uses horseradish. This is not to say that horseradish does not prevent UTIs. It’s just to say that there is no science to support these claims and therefore, no reputable doctor would recommend horseradish as a medication for UTIs.

While it appears that there’s no harm in consuming a couple of teaspoons of horseradish a day, its ability to prevent UTIs is yet to be determined.

Author: Diana

I'm a registered dietitian from Nova Scotia, living and working in Ontario, Canada. My goal is to help people see food and nutrition from a different perspective and understand that nutrition and health are not necessarily a result of personal choice.

One thought on “Dr Oz dishes out horseradish

  1. I used to think that Oprah unleashing Dr. Phil on us all was dangerous – then we got Dr. Oz. I find it staggering that he can spout so much unproven or outright false information without question.

    Also, two teaspoons of horseradish? A DAY?? Yuck.


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