Betaine supplementation improves CrossFit performance and increases testosterone levels, but has no influence on Wingate power: randomized crossover trial
Background Because betaine (BET) supplementation may improve muscular strength and endurance, it seems plausible that BET will also influence CrossFit performance (CF). Purpose The aim of this study was to evaluate the effects of three weeks of BET supplementation on body composition, CF performance...
Main Authors: | Emilia Zawieja, Krzysztof Durkalec-Michalski, Marcin Sadowski, Natalia Główka, Agata Chmurzynska |
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Format: | Article |
Language: | English |
Published: |
Taylor & Francis Group
2023-12-01
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Series: | Journal of the International Society of Sports Nutrition |
Subjects: | |
Online Access: | http://dx.doi.org/10.1080/15502783.2023.2231411 |
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