Beetroot juice ‘lowers older people’s blood pressure by changing mouth bacteria’

Fresh juice just made from beetroot a glass shot from bird-eye-perspective isolated on white background . Glass of beet juice isolated on white (Alamy/PA) -

Beetroot juice lowers blood pressure in older people by suppressing potentially harmful bacteria in the mouth, a study suggests.

Experts at the University of Exeter compared the responses of younger adults and older adults to beetroot juice, which is rich in dietary nitrates.