Large Study Casts Doubt On Effectiveness Of Vitamins And Dietary Supplements : Short Wave : NPR


Dietary supplements are everywhere, but how effective are they?

Yulia Reznikov/Getty Images


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Yulia Reznikov/Getty Images

Dietary supplements are everywhere, but how effective are they?

Yulia Reznikov/Getty Images

Dietary supplements (vitamins, herbs, botanicals you can find at most grocery stores) are everywhere. More than half of her 20+ adults in the U.S. take them, and she will spend about $50 billion on vitamins and other supplements in 2021.

The United States Preventive Services Task Force (USPSTF) recently released a major new evaluation of supplements. “They say there’s insufficient evidence that healthy Americans use multivitamins to prevent heart disease and cancer,” says Dr. Jenny Jia. Co-authored an editorial for the Medical Association on the new guidelines and their impact on consumers. It is titled Multivitamins and Supplements – Benign Prevention or Potentially Harmful Distractions?

Aaron Scott talks to Dr. Jenny Jia about the science of nutritional supplements. Which supplements can help, which ones can harm, and where you can spend your money instead.

This episode was produced by Margaret Cirino and edited by Gabriel Spitzer. Britt Hanson confirmed the facts. The audio engineer was Stacey Abbott.



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