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A double-blind randomized crossover study of young (18-30) and old (65-80) adults found that beetroot juice altered the oral microbiome in the older adults only, increased nitric oxide bioavailability, and lowered blood pressure.

Summary: https://medicalxpress.com/news/2025-07-beetroot-juice-lowers-blood-pressure.html

Original paper: https://www.sciencedirect.com/science/article/pii/S0891584925008068

#Science #Health #BloodPressure #CVD #Microbiome #NitricOxide #Beetroot

Beetroot juice lowers blood pressure in older people by changing oral microbiome, study shows

The blood pressure-lowering effect of nitrate-rich beetroot juice in older people may be due to specific changes in their oral microbiome, according to the largest study of its kind.

Medical Xpress