Do We Really Eat Too Much Protein?
About this episode
Dr. Bret Scher discusses the implications of protein intake on health and longevity, particularly for older adults and active individuals.
Do most people really need to eat less protein to live longer? In this episode of Metabolic Mind, Dr. Bret Scher responds to a new review getting attention for the claim that protein restriction may extend lifespan, and explains why that message can be misleading for older adults, active people, and anyone focused on metabolic health. Dr. Scher walks through the biology behind the headlines, including mTOR, FGF21, animal research, and the limits of applying rodent data directly to humans. He also explains why adequate protein becomes more important with age, especially for preserving muscle, reducing frailty risk, supporting insulin sensitivity, and maintaining independence. He covers: Why “eat less protein” headlines can miss important context What mTOR and FGF21 have to do with protein restriction and longevity Why rodent studies do not always translate cleanly to human health How sarcopenia and anabolic resistance change protein needs with age Why the protein RDA is a minimum, not a personalized target for health optimization How muscle supports glucose control and insulin sensitivity Why protein needs depend on age, activity level, metabolic health, pregnancy, recovery, and…
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