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Dr. Layne Norton

πŸ‘€ Speaker
4445 total appearances

Appearances Over Time

Podcast Appearances

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

And the other thing I'll tell people is like, hey, some of these fitness, especially for women, a lot of these fitness models you follow, they show you certain workouts they do. They built that physique by lifting weights, right? And you're thinking that's a toned feature. Now, that person is actually pretty muscular, right? And so, again, especially for women, there are exceptions.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

Some women have very great genetics for building muscle. They usually wind up in track and field, that sort of thing. But it's very hard to get too muscular for a woman. And what I'll say is like, you know, typically muscle looks good and fat is what makes you kind of look bulky, you know?

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

Some women have very great genetics for building muscle. They usually wind up in track and field, that sort of thing. But it's very hard to get too muscular for a woman. And what I'll say is like, you know, typically muscle looks good and fat is what makes you kind of look bulky, you know?

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

Some women have very great genetics for building muscle. They usually wind up in track and field, that sort of thing. But it's very hard to get too muscular for a woman. And what I'll say is like, you know, typically muscle looks good and fat is what makes you kind of look bulky, you know?

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

So again, I don't want to paint with too broad of a brush, but I would say that you don't really have too much to worry about when it comes to, to getting too muscular.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

So again, I don't want to paint with too broad of a brush, but I would say that you don't really have too much to worry about when it comes to, to getting too muscular.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

So again, I don't want to paint with too broad of a brush, but I would say that you don't really have too much to worry about when it comes to, to getting too muscular.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

And that's, and that's again, where the rubber meets the road with what is practically doable. Cause there've been some of these like circadian rhythm studies that suggest, well, maybe early time restricted feeding is better than late time restricted feeding. Um,

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

And that's, and that's again, where the rubber meets the road with what is practically doable. Cause there've been some of these like circadian rhythm studies that suggest, well, maybe early time restricted feeding is better than late time restricted feeding. Um,

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

And that's, and that's again, where the rubber meets the road with what is practically doable. Cause there've been some of these like circadian rhythm studies that suggest, well, maybe early time restricted feeding is better than late time restricted feeding. Um,

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

The more high-quality, more rigorously controlled, randomized control trials that are coming out now seems to show that it doesn't really make a big difference. And some of the – again, the measurements you use matter, right? So there was actually a very recent study where they looked at 12 weeks. They provided all the food to participants, equal in protein, calories, the whole deal.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

The more high-quality, more rigorously controlled, randomized control trials that are coming out now seems to show that it doesn't really make a big difference. And some of the – again, the measurements you use matter, right? So there was actually a very recent study where they looked at 12 weeks. They provided all the food to participants, equal in protein, calories, the whole deal.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

The more high-quality, more rigorously controlled, randomized control trials that are coming out now seems to show that it doesn't really make a big difference. And some of the – again, the measurements you use matter, right? So there was actually a very recent study where they looked at 12 weeks. They provided all the food to participants, equal in protein, calories, the whole deal.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

The only difference was one group was eating 80% of their calories before 1 p.m., and they had an eight-hour feeding window in total. The other group had a 12-hour feeding window and were eating over 50% of their calories after 5 p.m., I want to say.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

The only difference was one group was eating 80% of their calories before 1 p.m., and they had an eight-hour feeding window in total. The other group had a 12-hour feeding window and were eating over 50% of their calories after 5 p.m., I want to say.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

The only difference was one group was eating 80% of their calories before 1 p.m., and they had an eight-hour feeding window in total. The other group had a 12-hour feeding window and were eating over 50% of their calories after 5 p.m., I want to say.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

And so really like based on some of the chrononutrition stuff we've seen from some of the lesser well-controlled trials, they were expecting to see differences in like glucose metabolism and whatnot. And they just didn't really see a difference in anything. And the only – I think the only thing they saw a little bit of a difference was in fasting blood glucose. And here's what I tell people.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

And so really like based on some of the chrononutrition stuff we've seen from some of the lesser well-controlled trials, they were expecting to see differences in like glucose metabolism and whatnot. And they just didn't really see a difference in anything. And the only – I think the only thing they saw a little bit of a difference was in fasting blood glucose. And here's what I tell people.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

And so really like based on some of the chrononutrition stuff we've seen from some of the lesser well-controlled trials, they were expecting to see differences in like glucose metabolism and whatnot. And they just didn't really see a difference in anything. And the only – I think the only thing they saw a little bit of a difference was in fasting blood glucose. And here's what I tell people.

Huberman Lab
Tools for Nutrition & Fitness | Dr. Layne Norton

When you see a difference in fasting blood glucose but not HbA1c, you're looking at a transient difference. And what I mean by that is HbA1c is such a great measurement because it's an area on hemoglobin that can be glycosylated. And so that is very dependent on what is your overall concentration of glucose in the blood over a 24-hour period of time.