Many Popular Probiotics Could Actually Be Harmful, Columbia University Study

If you believe that probiotics are good for your health, there is a piece of news for you. A new study finds that more than half of popular probiotics contain traces of gluten.

Gluten is a protein found in wheat, rye and barley, and patients with celiac disease need to eliminate it from their diet or face pain, bowel symptoms and an increased risk of cancer.

Tests on 22 top-selling probiotics done by investigators at the Columbia University Medical Centre (CUMC) revealed that 12 of them (or 55 percent) had detectable gluten.

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