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Both exercise and recovery skeletal muscle oxygenation (SmO<jats:sub>2<\/jats:sub>) were assessed via near-infrared spectroscopy (NIRS), and recovery lactate was obtained.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>BRC resulted in lower heart rate (HR) at velocities corresponding to 80% of VO<jats:sub>2max<\/jats:sub> (<jats:italic>p<\/jats:italic>\u2009=\u20090.05) and maximum HR (HR<jats:sub>max<\/jats:sub>; <jats:italic>p<\/jats:italic>\u2009=\u20090.01), and a lower rating of perceived exertion (RPE) at velocities corresponding to 60% of VO<jats:sub>2max<\/jats:sub> (<jats:italic>p<\/jats:italic>\u2009=\u20090.02) when compared to CON. BRC also improved post-exercise SmO<jats:sub>2<\/jats:sub> at 3 (<jats:italic>p<\/jats:italic>\u2009=\u20090.05), 4 (<jats:italic>p<\/jats:italic>\u2009=\u20090.02), and 5\u00a0min (<jats:italic>p<\/jats:italic>\u2009=\u20090.01) but not lactate clearance (<jats:italic>p<\/jats:italic>\u2009&gt;\u20090.05). BRC did not significantly improve RE or VO<jats:sub>2max<\/jats:sub> (<jats:italic>p<\/jats:italic>\u2009&gt;\u20090.05).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>A single dose of BRC did not enhance RE or VO<jats:sub>2max<\/jats:sub>. However, the observed improvements in exercise HR, RPE, and SmO\u2082 suggest that BRC may confer cardiovascular benefits for exercise and recovery.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1007\/s00421-025-05738-w","type":"journal-article","created":{"date-parts":[[2025,2,24]],"date-time":"2025-02-24T17:29:23Z","timestamp":1740418163000},"page":"1809-1816","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Effects of a single dose of a betalain-rich concentrate on determinants of running performance and recovery muscle blood flow: a randomized, triple-blind, placebo-controlled, crossover trial"],"prefix":"10.1007","volume":"125","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5446-7309","authenticated-orcid":false,"given":"Steven","family":"Vitti","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr.","given":"Michael","family":"Bruneau","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leah","family":"Bisgrove","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel","family":"Grey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah","family":"Levine","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Craig","family":"Mattern","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Justin","family":"Faller","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,2,24]]},"reference":[{"key":"5738_CR1","doi-asserted-by":"publisher","first-page":"135","DOI":"10.1152\/japplphysiol.00046.2010","volume":"109","author":"SJ Bailey","year":"2010","unstructured":"Bailey SJ, Fulford J, Vanhatalo A et al (2010) Dietary nitrate supplementation enhances muscle contractile efficiency during knee-extensor exercise in humans. 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