Peer-reviewed study
Carbs support training, but they are not a hypertrophy switch
The Effect of Carbohydrate Intake on Muscle Hypertrophy: A Systematic Review and Meta-analysis
Source details
PubMed-linked study details.
- Authors
- Henselmans, Varvik, and Izquierdo
- Journal
- Sports Medicine. 2026.
- Identifiers
- PMID 41712097 · DOI 10.1007/s40279-025-02341-z
Claim guardrail
What this page should prevent.
Do not tell every client to push carbs high. Goal, calories, preference, training volume, and digestion decide the practical target.
Geebs coaching takeaway
The study only matters if it changes a behavior.
Carbs matter most as training fuel and adherence support. They do not replace progressive lifting or sufficient protein.
Content angles
Safe ways to translate it.
Carbs fuel the work, they do not do the work
Muscle growth still needs lifting
Stop arguing macros without checking performance
Exact answer pages
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