crossover
2017
High Quality
Nutritional ketone salts increase fat oxidation but impair high-intensity exercise performance in healthy adult males
O'Malley T, Myette-Cote E
Published in Applied Physiology, Nutrition, and Metabolism
Methodology
Randomized crossover trial of beta-hydroxybutyrate ketone salts versus placebo before cycling in healthy men.
Key Findings
Ketone salts raised blood beta-hydroxybutyrate and fat oxidation but reduced high-intensity time-trial performance versus placebo.
Conclusions
Ketone salts induce ketosis yet can impair, not improve, high-intensity performance.
Limitations
Small male sample; acute dosing; salt load may cause GI distress.
Outcomes Measured
Ketone salts raised blood beta-hydroxybutyrate and fat oxidation but reduced high-intensity time-trial performance versus placebo
Study Details
Year:2017
Sample Size:10
Duration:1 weeks
Quality Score:7/10
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