{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T22:40:02Z","timestamp":1792881602490,"version":"4.5.0"},"reference-count":30,"publisher":"Human Kinetics","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025]]},"abstract":"\n \n Purpose:<\/jats:bold>\n <\/jats:italic>\n This study compared the ingestion of a matched dose (0.3\u00a0g\u00b7kg\n \u22121<\/jats:sup>\n BM) of enteric-coated sodium bicarbonate (SB), sodium citrate (SC), and both combined (SBC) on high-intensity exercise performance using a time-to-peak ingestion strategy.\n \n Methods:<\/jats:bold>\n <\/jats:italic>\n Ten trained female CrossFit athletes completed four 6-km cycling time trials after consuming either SB, SC, SBC, or a placebo (PLA) in enteric-coated capsules. Blood acid\u2013base balance was measured preingestion, preexercise, and postexercise.\n \n Results:<\/jats:bold>\n <\/jats:italic>\n Preexercise blood\n \n was significantly higher in the SB trial compared with the SC (+2.3 [1.8]\u00a0mmol\u00b7L\n \u22121<\/jats:sup>\n ,\n P<\/jats:italic>\n \u2009=\u2009.003,\n g<\/jats:italic>\n \u2009=\u20091.2) and PLA (+6.5 [1.1\u00a0mmol\u00b7L\n \u22121<\/jats:sup>\n ,\n P<\/jats:italic>\n \u2009<\u2009.0005,\n g<\/jats:italic>\n \u2009=\u20092.5) trial. Performance time was faster with SB trials when compared with SC (\u221211.6 [8.0]\u00a0s,\n P<\/jats:italic>\n \u2009=\u2009.01), SBC (\u221217.2 [9.1]\u00a0s,\n P<\/jats:italic>\n \u2009=\u2009.001), and PLA (\u221221.5 [14.5]\u00a0s,\n P<\/jats:italic>\n \u2009=\u2009.007), with no significant difference between SC (mean difference [MD]\u2009=\u20099.9\u00a0s,\n P<\/jats:italic>\n \u2009=\u2009.94) and SBC (MD\u2009=\u20094.3,\n P<\/jats:italic>\n \u2009=\u20091.0) when compared with PLA. Blood lactate concentration was significantly greater in the SB trial compared with the placebo (MD\u2009=\u20092.4 [2.8]\u00a0mmol\u00b7L\n \u22121<\/jats:sup>\n ,\n P<\/jats:italic>\n \u2009<\u2009.001). Preexercise gastrointestinal symptom scores were higher with SB when compared to PLA (MD\u2009=\u20092.4 [3.2]\u00a0arbitrary units,\n P<\/jats:italic>\n \u2009=\u2009.04) and SC (MD\u2009=\u20092.2 [2.7],\n P<\/jats:italic>\n \u2009=\u2009.032).\n \n Conclusion:<\/jats:bold>\n <\/jats:italic>\n Ingestion of 0.3\u00a0g\u00b7kg\n \u22121<\/jats:sup>\n BM of SB improved extracellular buffering capacity when compared with SC and PLA, allowing exercise performance improvements.\n <\/jats:p>","DOI":"10.1123\/ijspp.2024-0190","type":"journal-article","created":{"date-parts":[[2025,8,21]],"date-time":"2025-08-21T19:14:33Z","timestamp":1755803673000},"page":"1386-1392","source":"Crossref","is-referenced-by-count":2,"title":["Individual and Combined Effects of Sodium Bicarbonate and Sodium Citrate Supplementation on High-Intensity Exercise Performance in Highly Trained Female CrossFit Athletes"],"prefix":"10.1123","volume":"20","author":[{"given":"Robyn A.X.J.","family":"Martin","sequence":"first","affiliation":[{"name":"Department of Sport and Physical Activity, Edge Hill University, Ormskirk, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaolin","family":"Yang","sequence":"additional","affiliation":[{"name":"China Institute of Sport and Health Science, Beijing Sport University, Beijing, BJ, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3743-3171","authenticated-orcid":true,"given":"Lars R.","family":"McNaughton","sequence":"additional","affiliation":[{"name":"Department of Sport and Physical Activity, Edge Hill University, Ormskirk, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"100","reference":[{"key":"r1","series-title":"J Nutr Metab","doi-asserted-by":"publisher","DOI":"10.1155\/2010\/905612","article-title":"Interaction among skeletal metabolic energy systems during intense exercise","volume":"2010","author":"Baker JS","year":"2010","unstructured":"Baker JS, McCormick MC, Robergs RA. 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