THE SCIENCE
One of the most studied ingredients in sport.
3–5%
Lower oxygen cost during submaximal exercise (Bailey et al.)
16%
Longer time-to-exhaustion in controlled trials (Bailey et al.)
2–3 hrs
Peak plasma nitrite after intake
IOC
Listed among supplements with good evidence of performance benefits
AIS
Classified Group A — the highest evidence tier
20 meta-analyses · 180 studies · 2,672 participants. (Poon et al., 2025)
Whole beetroot outperforms isolated nitrate salts. (Silva et al., 2022)
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Individual results vary.

