Papers/PMID:29995952
The effects of beetroot juice supplementation on exercise economy, rating of perceived exertion and running mechanics in elite distance runners: A double-blinded, randomized study.
PloS one2018The record
1 finding · 1 compound · 1 endpoint · 1 null
What it reported
How to read these marksEvery finding here is a null result.
What did not
1 finding
Beta vulgaris — no detected effect on maximal oxygen uptake
Evidence strength: moderate.FindingNull result“Also, changes in the VO2Max did not substantially differ in EG in comparison with PG after the supplementation period (SMD = 0.04, 90%CI = -0.87, 0.95).”
Quoted verbatim from The effects of beetroot juice supplementation on exercise economy, rating of perceived exertion and running mechanics in elite distance runners: A double-blinded, randomized study.. - Study
- RCT
- Duration
- 15 days
- Dose
- 70 mL beetroot juice (6.5 mmol nitrate) daily with breakfast for 15 days
- Population
- Twelve elite male middle- and long-distance runners; pre-post change in VO2max on a treadmill incremental test to exhaustion, beetroot juice group versus nitrate-free placebo group
Effect 0.04 standardised mean difference, 95% CI -0.87 to 0.95
The effects of beetroot juice supplementation on exercise economy, rating of perceived exertion and running mechanics in elite distance runners: A double-blinded, randomized study.2018PMID:2999595210.1371/journal.pone.0200517Permalink