Dr. Donald (Don) Layman

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439 appearances 1 recordings 1 series first heard Jun 2026 last heard 30 Jun

Dr. Donald (Don) Layman’s voice in public audio — every appearance, attributed to the second.

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The Dr. Gabrielle Lyon Show · Is the Protein RDA Too Low for You? What 40 Years of Studies Show - Dr. Don Layman & Dr. Heather Leidy | GLS #214 · 30 Jun 2026 podcast

have to be above the 100 gram range.

So if you're looking for things of satiety and thermogenesis and glycemic regulation, you really need to be in that range or you're not going to get it.

We find that if women drift below it into the 90 or lower, they'll lose all of the benefits of a higher protein diet.

But it comes back to the animal protein again that, you know, four ounces of chicken breast will give you 32 grams of protein.

That requires three cups of cooked beans to do it.

And I couldn't eat that much, let alone a 100-pound female.

We actually increased the amount of the recommendations.

I think it's population specific.

I think that we were talking about 1.1 is an average, but we know that a lot of particularly women are very low and they're avoiding those kinds of animal foods.

And older women over 60 are also a very high percentage.

And so one of the other comments you made earlier that I think is useful for everybody to keep in mind is that

the meal amount that a student would get, a school-aged student versus an older adult.

There's been a lot of research in the last 20 years that as we get older, our efficiency of protein use goes down, and we think that the meal distribution probably becomes more important.

A 20-gram protein meal for a 14-year-old is very different than a 20-gram meal for a 45-year-old.

And so the levels that she was using actually are reasonably high for that age group, where we might not consider a 20-gram meal good for...

any of us to max out the systems we're interested in.

So I wouldn't want the listeners to come away thinking, wow, all those kids aren't getting enough because that's a reasonable amount for school-aged kids.

People have criticized the report because we did use what were weight loss.

They were energy-restricted diets.

But the point I was going to get to is we know that 75% of Americans are overweight.

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