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Beet juice lowers blood pressure in older adults in just 2 weeks

Science Daily · May 25, 2026, 5:01 AM · Also reported by 1 other source

Key takeaways

  • A simple beetroot juice routine may help explain one of the more surprising links in healthy aging: the connection between bacteria in the mouth and blood pressure.
  • Research from the University of Exeter found that older adults who drank nitrate rich beetroot juice twice a day for two weeks saw their blood pressure fall.
  • Nitrate is found naturally in many vegetables and plays an important role in the body.

Why this matters: new research or scientific developments with potential real-world impact.

A simple beetroot juice routine may help explain one of the more surprising links in healthy aging: the connection between bacteria in the mouth and blood pressure.

Research from the University of Exeter found that older adults who drank nitrate rich beetroot juice twice a day for two weeks saw their blood pressure fall. The same effect did not appear in younger adults, even though beetroot juice also changed their oral microbiome.

The study, published in Free Radical Biology and Medicine, is the largest of its kind to examine how dietary nitrate affects the mouth bacteria, nitric oxide biology, and blood vessel responses of younger and older adults.

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