Health claim

“A diet that includes a modest caloric surplus on training days and a deficit on rest days optimizes fat loss while preserving muscle.”

Claim checked — mixed / earlyMedium risknutrition

Evidence Summary

Some evidence supports this, but findings are inconsistent or limited in scope.

Some studies show benefits for body composition, but overall impact on fat loss is modest and individual variability is high.

Extracted from

The #1 Diet to Lose Fat (FOR GOOD!)

Jeremy Ethier

Jeremy Ethier critiques common fat‑loss advice and proposes a simplified diet approach he calls the “#1 diet” for sustainable fat loss.

Watch breakdown →

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A diet that includes a modest caloric surplus on training days and a deficit on rest days optimizes fat loss while preserving muscle. — Evidence Review — MenHealth Digest