Performance Nutrition Digest

Performance Nutrition Digest

Carbohydrate feeding spares muscle glycogen during HIIT 🚴

Should you fuel your interval sessions?

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Tom Coughlin
Sep 19, 2026
∙ Paid

Application of 13C MRS demonstrates carbohydrate feeding spares muscle but not liver glycogen utilization during high-intensity interval exercise

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Study Details

This new study used ¹³C magnetic resonance spectroscopy to examine liver and muscle glyc…

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