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. 2019 Jan 17;7(2):e13982. doi: 10.14814/phy2.13982

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© 2019 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of The Physiological Society and the American Physiological Society.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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(A) Mean oxygen uptake (VO ₂) at 50% peak oxygen uptake (VO _2peak) following acute and chronic supplementation with beetroot juice (BRJ) or a nitrate‐free placebo (PLA). (B) Mean VO ₂ at 70% VO2peak following acute and chronic supplementation with BRJ or PLA. Data reported as mean ± SE, n = 12.