Health claim

Using a heart‑rate zone of 70‑80% of max for cardio maximizes fat oxidation during the session.

Claim checked — weak evidenceLow riskexercise

Evidence Summary

Limited or low-quality evidence — treat with caution.

While fat oxidation peaks around 65‑75% HRmax, overall fat loss depends on total caloric deficit rather than the specific zone.

Extracted from

The Worst Cardio Mistakes Everyone Makes For Fat Loss (Avoid These)

Jeff Nippard

Jeff Nippard outlines common cardio mistakes that can hinder fat loss and offers evidence‑based alternatives.

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Using a heart‑rate zone of 70‑80% of max for cardio maximizes fat oxidation during the session. — Evidence Review — MenHealth Digest