I’m writing this post in response to one of the most pervasive beliefs about dietary protein that has been parroted by people of all dietary tribes, most notably people eating a vegan diet (although this belief is changing), and most recently by people eating a high-fat carnivore diet. For example, you can see this belief […]
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The data supporting protein restriction for longevity is not strong. Mice are not appropriate models for extrapolation to humans due to differences in lifespan and metabolism; data in monkeys does not support a benefit of energy restriction on lifespan; there are unknown influences of genetics.
The weak longevity data we have must be contrasted against the far stronger data showing detriments of protein restriction with aging, like sarcopenia and frailty, reduced quality of life, and premature death.
