SEP 7, 2026 · REVIEW
Sparing Muscle While Losing Fat: A Narrative Review of Ketogenic Diets and Lean Mass Preservation During Weight Loss
Nutrients
A narrative review synthesizing existing clinical evidence on ketogenic diets and lean mass preservation, confirming that protein intake and resistance exercise—not ketosis itself—are the primary determinants of muscle preservation during weight loss.
Study details
DesignNarrative review
InterventionKetogenic diet regimens, including supervis…
ComparatorNon-ketogenic weight-loss regimens