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Total VO2 consumed and mechanical work performed over 20 min of exercise at rating of perceived exertion (RPE) of 13 (somewhat hard). Data were collected from young, healthy females (n=9) 2.5 hours post ingestion of 140ml beetroot juice (12.9 mmol nitrate) or nitrate-free placebo in. Beetroot juice did not affect total VO2 (P = 0.352).
