2min chapter

The Peter Attia Drive cover image

#224 ‒ Dietary protein: amount needed, ideal timing, quality, and more | Don Layman, Ph.D.

The Peter Attia Drive

CHAPTER

The Change in Efficiency With Aging

When you're young and growing, insulin is a growth hormone. When you stop growing at 25, it ceases to have an effect on protein synthesis and muscle. Protein quality is not nearly as important when the system's dominated by hormones. And so now what we know is as we get older, we can buffer that loss of the hormones by higher quality protein,. mostly leucine, and resistance exercise. Those two factors will balance out the growth issue that young people have the benefit of the growth part. So that's the way you have to think about the change in efficiency with aging.

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