Health claim

“Eating protein at least 1.6 g per kilogram of body weight per day helps preserve muscle mass during a calorie deficit.”

Claim checked — strong evidenceMedium risknutrition

Evidence Summary

Multiple well-designed studies consistently support this claim.

Multiple studies support this protein level as optimal for muscle retention in hypocaloric conditions.

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.

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Eating protein at least 1.6 g per kilogram of body weight per day helps preserve muscle mass during a calorie deficit. — Evidence Review — MenHealth Digest