Tier 2 — strong
Increased nitrate intake from beetroot juice over 4 weeks affects nitrate metabolism, but not vascular function or blood pressure in older adults with hypertension
Food & Function
2024
15(8):4065–4078
Bibliography
- PubMed
- PMID 38546454
- PubMed Central
- PMC11034575
- Funding
- Austrian Science Fund (FWF), Clinical Research KLIF grant KLI 858, granted to Oliver Neubauer; grant supported Neubauer and Fejes salaries partially and fully, respectively.
- Competing interests
- Authors declare no conflicts of interest (RSC article).
Study snapshot
| Design | Randomized placebo-controlled crossover study |
|---|---|
| Model | Older adults aged 56–71 with treated hypertension |
| Sample | 15 participants |
| Intervention | Single ~400 mg nitrate beetroot dose and four weeks of two ~400 mg daily nitrate doses versus nitrate-depleted beetroot placebo |
| Duration | Acute 3-hour and 4-week interventions |
| Endpoints | Blood pressure; Vascular function; Nitrate and nitrite metabolism |
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