Study
Beetroot Juice Lowers Blood Pressure in Older Adults
Drinking nitrate-rich beetroot juice reduced blood pressure in seniors by 4 mmHg.
Summary
In plain language
Drinking beetroot juice, which is high in nitrates, can help lower blood pressure in older adults. Researchers found that seniors aged 67 to 79 experienced a significant drop in blood pressure after consuming this juice compared to younger adults. The study suggests that the beneficial effects might be due to changes in the oral bacteria that help produce nitric oxide, a compound that helps relax blood vessels. This is particularly important as maintaining healthy blood pressure can reduce the risk of cardiovascular diseases in older adults.
Details
Use the full description to understand the study design, methods, and the limits of the findings.
This study explored the effects of nitrate-rich beetroot juice on blood pressure and oral bacteria in both young and older adults. Participants were divided into groups consuming either nitrate-rich juice, a placebo, or using antiseptic mouthwash over several weeks.
The study found that older adults had a more pronounced decrease in blood pressure (by 4 mmHg) after drinking the beetroot juice, linked to changes in oral bacteria that boost nitric oxide levels.
While the young participants did not show significant blood pressure changes, the study highlighted the importance of oral bacteria in processing dietary nitrates.
Limitations include the small sample size and short duration, which may not capture long-term effects.
Older adults may consider discussing dietary nitrate supplementation with their healthcare providers to manage blood pressure.
Full Study
Open the original publication for the complete methods, outcomes, and source material.
Beetroot Juice Lowers Blood Pressure in Older Adults
Published September 2026
Opens at the publisher · external site · may require institutional access
Research Quality Score
Scored September 23, 2026 using rubric mq-1.8_2026-07-06.
Assessment
The study scores highly due to its rigorous randomized controlled trial design, strong bias control, and comprehensive statistical methods. Transparency is well-handled with pre-registration and complete reporting. However, the absence of external replication and unspecified journal quality limit the overall score. The study is directly relevant to the target population of older adults.
Category Breakdown
| Category | Score | Rating |
|---|---|---|
| Study design | 10.0/10 | |
| Bias control | 10.0/10 | |
| Statistical methods | 10.0/10 | |
| Reporting completeness | 10.0/10 | |
| Conflicts & funding | 5.0/10 | |
| Replication | 0.0/10 | |
| Relevance to chosen population | 10.0/10 | |
| Journal Reliability | 5.0/10 |
Additional Notes
The study investigates the effects of nitrate-rich beetroot juice on blood pressure and oral microbiome in young and older adults, finding significant blood pressure reduction in older adults.
Assessed on the study's full text across 8 quality dimensions; conflict-of-interest disclosures were reviewed.
Conditions This Research Covers
These condition pages help connect the paper back to the real-world health concerns it addresses.
Stress and Worry
Stress and worry are common human emotions, but they can become problematic when they are chronic and overwhelming. For seniors, stress and worry can be particularly challenging, as they may be dealing with significant life changes, health issues, and the loss of loved ones.
Heart Disease
Heart disease, also known as cardiovascular disease, is a broad term that encompasses a range of conditions affecting the heart and blood vessels. It is a leading cause of death worldwide, particularly among older adults.
Hypertension
Hypertension, often referred to as high blood pressure, is a common health condition characterized by elevated blood pressure. It is a significant risk factor for heart disease, stroke, and kidney disease. While hypertension can affect people of all ages, it is particularly prevalent among older adults.
Inflammaging
Inflammaging is a term used to describe the chronic, low-grade inflammation that occurs as we age. This chronic inflammation can contribute to a variety of age-related diseases, including heart disease, Alzheimer's disease, and cancer. Understanding inflammaging can help us develop strategies to promote healthy aging and reduce the risk of age-related diseases.
Treatments Evaluated in This Research
Review the interventions studied here and compare them against the broader treatment library.
Fiber
Fiber is a vital part of a healthy diet, especially for seniors, as it aids in digestion and helps maintain regular bowel movements. It can also play a role in managing cholesterol and blood sugar levels. By incorporating more fiber into your diet, you may experience improved overall health and wellbeing.
Beets or Super-Beets
Beets and Super-Beets are natural supplements that may help improve blood flow and support heart health. They are particularly beneficial for seniors looking to maintain cardiovascular wellness and vitality. Beets are rich in nitrates, which convert into nitric oxide in your body to help widen blood vessels and improve circulation.
Take the next step
Build a personalized plan using research-backed studies, conditions, and treatments.