Carbohydrate feeding spares muscle glycogen during HIIT 🚴Should you fuel your interval sessions?Tom CoughlinSep 19, 2026∙ Paid1ShareApplication of 13C MRS demonstrates carbohydrate feeding spares muscle but not liver glycogen utilization during high-intensity interval exerciseThanks for reading Performance Nutrition Digest! Subscribe for free to receive new posts and support my work.SubscribeStudy DetailsThis new study used ¹³C magnetic resonance spectroscopy to examine liver and muscle glyc…Continue reading this post for free, courtesy of Tom Coughlin.Claim my free postOr purchase a paid subscription.PreviousNext