Do Ketone Supplements Boost Performance?

New research sheds doubt on their efficacy for endurance athletes

Michelle Dotzert

The very popular ketogenic diet has led to a lot of self-experimentation with ketone supplements among runners and other athletes. The diet has shown some benefits for people with epilepsy, Parkinson’s disease, Type 2 diabetes and for weight loss, and the ketones the body produces on the regimen are an energy-efficient fuel source. But the results of research on ketones and ketosis with respect to exercise performance have varied widely based on exercise intensity, duration and other factors. A new study on cyclists by researchers at McMaster University in Hamilton and Maastricht University in the Netherlands casts doubt on the benefits of ketone supplementation for endurance exercise performance. The keto diet is very low carbohydrate (less than 50 grams per day) and high fat (more than 75 per cent of calories)…

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Canadian Running (Digital) - 1 Issue, November/December 2023

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