Carb-conscious; The role of carbohydrate intake in recovery from exercise

Javier Gonzalez, Gareth Wallis

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose of review
This review summarised evidence on the role of carbohydrates in recovery from exercise within the context of acute and chronic effects on metabolism and performance.
Recent findings
Recent studies demonstrate that, in contrast to recovery of muscle glycogen stores, the recovery of liver glycogen stores can be accelerated by the co-ingestion of fructose with glucose-based carbohydrates. Three recent studies suggest this can extend time-to-exhaustion during endurance exercise tests. However, periodically restricting carbohydrate intakes during recovery from some training sessions to slow the recovery of liver and muscle glycogen stores may, over time, result in a modest increase in the ability to oxidise fat during exercise in a fasted state. Whether this periodised strategy translates into a performance advantage in the fed state remains to be clearly demonstrated.
Summary
To maximise recovery of glycogen stores and the capacity to perform in subsequent endurance exercise, athletes should consider ingesting at least 1.2 g carbohydrate per kilogram body mass per hour - for the first few hours of recovery - as a mixture of fructose and glucose-based carbohydrates. However, if a goal is increased capacity for fat oxidation, athletes should consider restricting carbohydrate intakes during recovery from some key training sessions (Supplemental video abstract).
Original languageEnglish
JournalCurrent Opinion in Clinical Nutrition and Metabolic Care
Publication statusAcceptance date - 2 Mar 2021

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