Fuel Myth

Fat-Adapted Athletes Don’t Need Carbs

Fat-Adapted Athletes Don’t Need Carbs

"Train your body to burn fat and you're free of carbs." The physiology is real — fat adaptation works — but it doesn't do the thing the claim promises. Burning...

Fat-Adapted Athletes Don’t Need Carbs

"Train your body to burn fat and you're free of carbs." The physiology is real — fat adaptation works — but it doesn't do the thing the claim promises. Burning...

Carb-Loading Isn’t Pasta the Night Before

Carb-Loading Isn’t Pasta the Night Before

Half the start line ate a giant bowl of pasta last night and called it carb-loading. As a way of actually filling glycogen, it mostly doesn't work — loading is...

Carb-Loading Isn’t Pasta the Night Before

Half the start line ate a giant bowl of pasta last night and called it carb-loading. As a way of actually filling glycogen, it mostly doesn't work — loading is...

Gels and Sports Drinks Together: What Actually Causes the GI Distress

Gels and Sports Drinks Together: What Actually Causes the GI Distress

"Never take a gel with a sports drink" is repeated as a rule in running clubs everywhere. The research tells a more precise story: the variable is carbohydrate concentration and...

Gels and Sports Drinks Together: What Actually Causes the GI Distress

"Never take a gel with a sports drink" is repeated as a rule in running clubs everywhere. The research tells a more precise story: the variable is carbohydrate concentration and...