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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Recordings per month over the last 12 months — 1 in all, peaking in Jun 2026 with 1.

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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

But what we did was we changed it from a food focus, a defining aspect of how you demonized individual foods to making it a diet criteria.

And so now you make your choices about foods, for example, whether it's milk or eggs or meats, and then you can assess where you're at in your fat or saturated fat guideline

and decide how you're going to proceed.

Before, it was a case where the saturated fat guideline we used to say eggs are unhealthy because they had 19% saturated fat, even though it's only 1.6 grams, which is almost irrelevant.

So I think the biggest change in how we dealt with fat is we shifted it from being a food target to being a diet target.

And it doesn't necessarily suggest that everybody should be high protein.

It just simply says that based on body composition data, based on nutrient density data, we know that if people get into that 1.2 to 1.6 range,

their likelihood of being adequate is really good.

Yeah, I mean, people use those terms loosely all the time.

It is a higher protein, but the reality is the RDAs are really a low protein diet.

And as Heather said, we didn't change that in any way.

I think we maybe mentioned the RDA once in the entire report.

So we didn't do that.

But I think it's important to recognize that the previous dietary guidelines over the last

20 years have progressively diluted out the protein, even to the point of creating a protein ounce equivalent exchange concept that was totally false.

So the guidelines actually diluted it out and obscured the fact that they were diluting out the quantity and quality of protein.

And I think we just shifted the stage back to focusing on the protein based on its quality.

And just like the misuse or obscure use of the word higher protein, enough protein just simply means that people were exceeding the minimum RDA.

There's no evidence that that is enough.

It's enough for nitrogen balance, but I can't think of any health outcome that relates to nitrogen balance.

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