However, we intended our results to be referable with results from other authors. An indisputable strength of our study is the double-checking of achievement of a ketosis state in our participants via βhB blood concentration and urine ketone level. Compliance with the study protocol in regard to diet and training was also evaluated during face-to-face meetings with study dietitians and CrossFit coaches at clubs as well as via e-mail and phone consultations. Finally, in our study, the effect of the KD was assessed only with regard to the incremental cycling test.
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