The Claim
Daily beetroot juice supplementation for one week improves submaximal exercise endurance and reduces systolic blood pressure in older adults with heart failure with preserved ejection fraction.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
In older adults with heart failure with preserved ejection fraction, drinking beetroot juice every day for one week increases the ability to sustain physical activity at submaximal effort and lowers systolic blood pressure.
See the scientific wording
Daily beetroot juice supplementation for one week improves submaximal exercise endurance and reduces systolic blood pressure in older adults with heart failure with preserved ejection fraction.
Nitrate from beetroot juice is turned into nitrite by bacteria in the mouth, then absorbed into the blood. In muscles during exercise, nitrite becomes nitric oxide, which relaxes blood vessels, lowers resistance to blood flow, and delivers more oxygen to working muscles, allowing longer exercise and reducing blood pressure.
What the research says
2 studiesThis study found that older adults with a type of heart failure who drank beetroot juice every day for a week could exercise longer without getting as tired, and their blood pressure went down. So yes, beetroot juice helped.
This study found that older adults with a type of heart failure who drank beetroot juice every day for a week could exercise longer and had lower blood pressure. So yes, beetroot juice helped them feel stronger and their hearts work better.
Related videos
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 2 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.