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2025 Lloyds Tour of Britain Women

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Maximise muscle, mitochondria and metabolism: the importance of protein in cycling

Protein is the most overlooked macronutrient for cyclists. Rouleur speaks to leading sports scientists on how to use it for speed, recovery and racing weight.

By James Witts

Photography by Alex Whitehead / SWpix.com

9 JUNE 2025 | UPDATED 11.39 PM BST

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Rouleur Issue 144 — The Tour Issue
In printIssue 144

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The Tour Issue

Le Tour de France: a race defined by colour, passion and history, whose drama and romance continue to shape the identity of cycling’s greatest stage.