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The Nitrate-Independent Blood Pressure–Lowering Effect of Beetroot Juice: A Systematic Review and Meta-Analysis
Open accessAbstract
Beetroot is considered a complementary treatment for hypertension because of its high content of inorganic NO 3 This systematic review and meta-analysis aimed to clarify several aspects of beetroot juice supplementation on systolic blood pressure (SBP) and diastolic blood pressure (DBP). We searched PubMed, Scopus, and Embase databases, and the reference lists of previous reviews. Randomized clinical trials that investigated the effects of beetroot juice on resting blood pressure in humans were recruited for quality assessment, meta-analyses, subgroup analyses, and meta-regressions; of these, 22 were conducted between 2009 and 2017 and included a total of 47 intervention (n = 650) and 43 control (n = 598) groups. Overall, SBP (-3.55 mm Hg; 95% CI: -4.55, -2.54 mm Hg) and DBP (-1.32 mm Hg; 95% CI: -1.97, -0.68 mm Hg) were significantly lower in the beetroot juice-supplemented groups than in the control groups. The mean difference of SBP was larger between beetroot juice-supplemented and control groups in the longer than in the shorter (≥14 compared with <14 d) study durations (-5.11 compared with -2.67 mm Hg) and the highest compared with the lowest (500 compared with 70 and 140 mL/d) doses of beetroot juice (-4.78 compared with -2.37 mm Hg). A positive correlation was observed between beetroot juice doses and the mean differences of blood pressures. In contrast, a smaller effect size of blood pressures was observed after supplementation with higher NO 3 (milligrams per 100 mL beetroot juice). A weak effect size was observed in a meta-analysis of trials that used NO 3-depleted beetroot juice as a placebo compared with other interventions (-3.09 compared with -4.51 mm Hg for SBP and -0.81 compared with -2.01 mm Hg for DBP). Our results demonstrate the blood pressure-lowering effects of beetroot juice and highlight its potential NO 3-independent effects.
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“Interestingly, some of these antihypertensive effects appear to be independent of nitrate content, which suggests that there are synergistic interactions with other phytochemicals [22].”
From Dietary Nitrate-Rich Vegetables as Natural Modulators of Health: Mechanisms and Benefits in Ageing Populations (2026) · cites this paper as [22]
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“Despite the fact that our results differ from current views that have attributed the hypotensive effect of beetroot to inorganic NO3, apparently beyond NO3 content, beetroot exerts its beneficial effects through other bioactive compounds such as polyphenols, a concept also supported by findings from previous studies t…”
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Self-citationThe benefits and risks of beetroot juice consumption: a systematic review
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Metadata
- Authors
- Bahadoran, Z., Mirmiran, P., Kabir, A., Azizi, F., & Ghasemi, A.
- Affiliations
- Research Institute for Endocrine Sciences (IR)
- National Nutrition and Food Technology Research Institute (IR)
- Iran University of Medical Sciences (IR)
- Corresponding author
- Ghasemi, Asghar
- Venue
- Advances in Nutrition
- Publisher
- Elsevier BV
- Published
- 2017-11
- Volume
- 8
- Issue
- 6
- Pages
- 830-838
- ISSN
- 2156-5376 (ISSN-L)
- 2161-8313
- PMC
- PMC5683004
- OpenAlex
- W2772708097
- Cited by
- 150
- References
- 40
- Citations by year
- 2026: 19 · 2025: 16 · 2024: 14 · 2023: 26 · 2022: 18 · 2021: 20 · 2020: 18 · 2019: 11 · 2018: 7 · 2017: 1
- FWCI
- 1.43
- Type
- journal article
- Language
- en
- Update notices
- erratum (2018-05-01)
- Open access
- bronze
- doi.org
- Licence
- Locations
- Advances in Nutrition (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Blood Pressure and Hypertension Studies
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
- Health Sciences › Medicine › Physiology (medical) › Nitric Oxide and Endothelin Effects
- Keywords
- beetroot juice, blood pressure reduction, hypertension, systolic blood pressure, diastolic blood pressure, dietary nitrate, dietary supplementation, dose-response relationship
- MeSH terms
- Fruit and Vegetable Juices, Adult, Antihypertensive Agents, Blood Pressure, Female, Humans, Hypertension, Male, Middle Aged, Nitrates, Dietary Supplements, Beta vulgaris
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