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. 2021 Jan 20;7:626480. doi: 10.3389/fnut.2020.626480

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Copyright © 2021 Okada, Quan and Bomhof.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Timeline of experimental conditions. Participants arrived at the laboratory in the morning (0800–0900 h) in a fasted state (>10 h). ↓Appetite visual analog scale; finger capillary draw; venipuncture; ad libitum meal; 0.5 g·kg⁻¹ KET or isocaloric DEX; 0.25 g·kg⁻¹ KET or isocaloric DEX. Dashed timeline represents 1 h of exercise cycling at 70% VO₂peak. (B) Blood d-β-hydroxybutyrate levels in participants for both KET and DEX drink conditions. Values are means ± SD, n = 13. *P < 0.05 between KET and DEX conditions. βHB, d-β-hydroxybutyrate; DEX, dextrose; KET, ketone monoester.

Inline graphic — (A) Timeline of experimental conditions. Participants arrived at the laboratory in the morning (0800–0900 h) in a fasted state (>10 h). ↓Appetite visual analog scale; finger capillary draw; venipuncture; ad libitum meal; 0.5 g·kg⁻¹ KET or isocaloric DEX; 0.25 g·kg⁻¹ KET or isocaloric DEX. Dashed timeline represents 1 h of exercise cycling at 70% VO₂peak. (B) Blood d-β-hydroxybutyrate levels in participants for both KET and DEX drink conditions. Values are means ± SD, n = 13. *P < 0.05 between KET and DEX conditions. βHB, d-β-hydroxybutyrate; DEX, dextrose; KET, ketone monoester.