Most people do not think much about their blood pressure until a routine check-up reveals a problem. Yet researchers continue to find that small changes in daily habits can have a significant impact on long-term heart health.
Now, a new study is drawing attention to a familiar drink that may offer unexpected benefits, particularly for older adults, reports Abczdrowie.pl.
Results in just two weeks
Researchers from the University of Exeter investigated how a nitrate-rich juice affected adults of different age groups. Participants consumed the drink twice a day for 14 days before researchers compared the results with a nitrate-free placebo.
The most noticeable changes were seen among older participants. After two weeks, researchers recorded lower blood pressure levels in this group, suggesting that certain dietary choices could help support cardiovascular health later in life.
Also read: Taking magnesium? Experts have an important warning
Younger participants also experienced biological changes, although the impact on blood pressure was less pronounced.
Why it matters
Scientists believe the effect is linked to naturally occurring nitrates found in beetroot and other vegetables.
These compounds interact with bacteria in the mouth and help the body produce nitric oxide, a molecule that supports healthy blood vessel function. When blood vessels relax more easily, blood pressure can improve.
Researchers also observed changes in the oral microbiome of older adults, suggesting that diet may influence health through multiple pathways.
Also read: Your brain may be the reason you need more alone time
Not just about beetroot
Although beetroot juice was the focus of the research, several other vegetables contain high levels of nitrates.
These include:
- Spinach
- Arugula
- Kale
- Celery
- Fennel
The researchers say more studies are needed, but the findings add to growing evidence that nutrition can play an important role in supporting heart health as people age.
Also read: The hidden downsides of sleeping with your window open
Also read: Researchers have tested the world's first AI-designed vaccine in humans – here's how it went
This article is made and published by Mie Hermansen, who may have used AI in the preparation.