| Beetroot Juice Supplementation Improves High-Intensity Intermittent Type Exercise Performance in Trained Soccer Players 2017 · nitrate-rich beetroot juice (BR) · Male trained soccer players, mean age 23 years, competing in the second and third Dutch amateur leagues | 800 mg | 140 mL | 6 days | 32 |
| Effects of an Isotonic Beetroot Drink on Power Output During Sprint Exercise and Jump Performance in Physically Active Individuals: A Randomized Crossover Trial 2024 · Beetroot juice drink (BR) · Physically active adults; 17 males and 6 females; mean age 26 years | 12.9 mmol | 570 mL | 1 day | 23 |
| Effects of an Isotonic Beetroot Drink on Power Output During Sprint Exercise and Jump Performance in Physically Active Individuals: A Randomized Crossover Trial 2024 · Isotonic beetroot juice drink (ISO-BR) · Physically active adults; 17 males and 6 females; mean age 26 years | 12.9 mmol | 570 mL | 1 day | 23 |
| Dietary nitrate-induced increases in human muscle power: high versus low responders 2018 · Nitrate trial · Healthy men and women aged 22–79 years | 12.3 mmol | 140 mL | 1 day | 20 |
| Dietary beetroot juice - effects on physical performance in COPD patients: a randomized controlled crossover trial 2017 · beetroot juice (BR) condition · Adults with moderate-to-severe COPD; age and sex are not specified in the supplied text. | 600 mg | 280 mL | 7 days | 15 |
| Effects of Beetroot Juice Supplementation on a 30-s High-Intensity Inertial Cycle Ergometer Test 2017 · Beetroot juice (BJ) · Male undergraduates with at least two years’ experience in sports with a high glycolytic energy metabolism component; ages not reported | 5.6 mmol | 70 mL | 1 day | 15 |
| Effects of Beetroot Juice Supplementation on Performance and Fatigue in a 30-s All-Out Sprint Exercise: A Randomized, Double-Blind Cross-Over Study 2018 · BJ · Young resistance-trained men, mean age 22.4 years, without stated disease | 6.4 mmol | 70 mL | 1 day | 15 |
| Nitrate supplementation's improvement of 10-km time-trial performance in trained cyclists 2012 · BEET · Male trained cyclists, mean age 31±3 years | 8 mmol | 140 mL | 6 days | 12 |
| Acute dietary nitrate supplementation improves dry static apnea performance 2012 · beetroot juice (BR) · 12 well-trained apnea divers; age and sex not reported | 5 mmol | 70 mL | 1 day | 12 |
| Acute dietary nitrate supplementation does not augment submaximal forearm exercise hyperemia in healthy young men 2015 · BR nitrate (concentrated beetroot juice) · Healthy men aged 19–24 years | 12.9 mmol | 140 mL | 1 day | 12 |
| Whole beetroot consumption acutely improves running performance 2012 · Beetroot trial · Recreationally fit men and women | 500 mg | 200 g | 1 day | 11 |
| Ergogenic effects of beetroot juice supplementation during severe-intensity exercise in obese adolescents 2018 · Beetroot juice (BR) · Adolescents with obesity, age 16 ± 1 years; 8 girls and 2 boys | 5 mmol | — | 6 days | 10 |
| Dietary nitrate reduces muscle metabolic perturbation and improves exercise tolerance in hypoxia 2011 · H-BR · Nine healthy subjects; age and sex not reported; exercised in hypoxia | 9.3 mmol | — | 1 day | 9 |
| Effects of nitrate on the power-duration relationship for severe-intensity exercise 2013 · nitrate-rich concentrated beetroot juice (BR) · Recreationally active men; age and health condition not specified | 8.2 mmol | 500 mL | — | 9 |
| Beetroot juice supplementation speeds O2 uptake kinetics and improves exercise tolerance during severe-intensity exercise initiated from an elevated metabolic rate 2013 · BR (NO3−-rich beetroot juice) · Nine healthy, physically active subjects; age and sex not reported. | 8 mmol | 140 mL | 6 days | 9 |
| Dietary nitrate supplementation enhances muscle contractile efficiency during knee-extensor exercise in humans 2010 · Nitrate-rich beet root juice (BR) · Men aged 19–38 years; no condition stated | 5.1 mmol | 500 mL | 6 days | 7 |
| Augmented reflex cutaneous vasodilatation following short-term dietary nitrate supplementation in humans 2015 · Nitrate supplementation · Healthy humans exposed to whole-body heat stress; age and sex not stated | 450 mg | — | 3 days | — |
| Nitrate-Rich Beetroot Juice Reduces Blood Pressure in Tanzanian Adults with Elevated Blood Pressure: A Double-Blind Randomized Controlled Feasibility Trial 2020 · N + F (combined intervention) · Adults aged 50–70 years in Tanzania with elevated blood pressure; nonsmokers with systolic blood pressure 130–170 mm Hg | 400 mg | 70 mL | 60 days | 16 |
| Nitrate-Rich Beetroot Juice Reduces Blood Pressure in Tanzanian Adults with Elevated Blood Pressure: A Double-Blind Randomized Controlled Feasibility Trial 2020 · N + P (single intervention) · Adults aged 50–70 years in Tanzania with elevated blood pressure; nonsmokers with systolic blood pressure 130–170 mm Hg | 400 mg | 70 mL | 60 days | 16 |
| Effects of chronic dietary nitrate supplementation on the hemodynamic response to dynamic exercise 2015 · Beetroot juice (BRJ) · Healthy males aged 22 ± 1 years | 400 mg | — | 15 days | 14 |
| Reduced blood pressure responsiveness to skeletal muscle metaboreflex activation in older adults following inorganic nitrate supplementation 2018 · inorganic nitrate supplementation · Healthy adults aged 67 ± 1 years | 250 mg | 250 mg | 4 weeks | 13 |
| Effects of short-term dietary nitrate supplementation on blood pressure, O2 uptake kinetics, and muscle and cognitive function in older adults 2013 · Nitrate-rich concentrated beetroot juice (BR) · Healthy adults aged 60–70 years | 9.6 mmol | 140 mL | 3 days | 12 |
| Acute Effects of Nitrate-Rich Beetroot Juice on Blood Pressure, Hemostasis and Vascular Inflammation Markers in Healthy Older Adults: A Randomized, Placebo-Controlled Crossover Study 2017 · HI-NI (nitrate-rich beetroot juice) · Clinically healthy older adults, ages 57–71 years; five men and seven women completed both study visits | 12.9 mmol | 140 mL | 1 day | 12 |
| The Effects of Beetroot Juice on Blood Pressure, Microvascular Function and Large-Vessel Endothelial Function: A Randomized, Double-Blind, Placebo-Controlled Pilot Study in Healthy Older Adults 2019 · BRJ group · Men and post-menopausal women aged 55 or older; healthy older adults without established cardiovascular disease | 400 mg | 70 mL | 4 weeks | 10 |
| Consumption of Nitrate-Rich Beetroot Juice with or without Vitamin C Supplementation Increases the Excretion of Urinary Nitrate, Nitrite, and N-nitroso Compounds in Humans 2019 · BRJ group · Healthy recreationally active men and women aged 18–45 | 400 mg | 70 mL | 7 days | 15 |
| Consumption of Nitrate-Rich Beetroot Juice with or without Vitamin C Supplementation Increases the Excretion of Urinary Nitrate, Nitrite, and N-nitroso Compounds in Humans 2019 · BRJ + VitC group · Healthy recreationally active men and women aged 18–45 | 400 mg | 70 mL | 7 days | 14 |
| Acute ingestion of beetroot bread increases endothelium-independent vasodilation and lowers diastolic blood pressure in healthy men: a randomized controlled trial 2013 · Beetroot bread (BB) · Healthy men; age not specified | 1.1 mmol | 100 g | 1 day | — |
