Habits and Hustle - Episode 392: Layne Norton: The BEST Diet to Follow + Is Diet Coke Actually Bad For You?
Episode Date: October 25, 2024Ever wondered which diet is the best? Or if artificial sweeteners are actually bad for you? In this Fitness Friday episode, I chat with nutrition expert Dr. Layne Norton as he reveals a surprising t...ruth about dieting. We discuss why personalization matters in choosing a diet strategy, the truth about artificial sweeteners and diet soda, and how cognitive dissonance affects our diet beliefs. Tune in for evidence-based perspectives that might challenge what you thought you knew about dieting. Layne Norton is the founder of BioLayne. He created the company to provide ethical, science-based coaching that synthesized real-world experience with evidence-based protocols. In his coaching career, he has turned over 70 people pro and reshaped the way that countless people think about nutrition. To that end, Layne completed a BS in Biochemistry and a Ph.D. in Nutritional Sciences, honing his intellectual skills under Dr. Donald Layman, one of the foremost researchers on protein metabolism and fat loss in the world. What we discuss: Comparison of different diets for long-term weight loss Personalization of diet strategies Flexible dieting approach Diet soda and artificial sweeteners Effects on weight loss Impact on gut microbiome Common misconceptions Breakdown of aspartame and its components Find the full episode here: https://podcasts.apple.com/us/podcast/episode-245-layne-norton-the-secret-hack-to-following/id1451897026?i=1000614962499 Thank you to our sponsors: Therasage: Head over to therasage.com and use code Be Bold for 15% off TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100. Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout. BiOptimizers: Want to try Magnesium Breakthrough? Go to https://bioptimizers.com/jennifercohenand use promo code JC10 at checkout to save 10% off your purchase. Timeline Nutrition: Get 10% off your first order at timeline.com/cohen Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. Find more from Layne Norton, PhD: Website: https://biolayne.com/ Instagram: @biolayne Find more from Jen: Website: https://www.jennifercohen.com/ Instagram: @therealjencohen Books: https://www.jennifercohen.com/books Speaking: https://www.jennifercohen.com/speaking-engagements Learn more about your ad choices. Visit megaphone.fm/adchoices
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Hi guys, it's Tony Robbins.
You're listening to Habits and Hustle.
Crush it!
Hey friends, you're listening to Fitness Friday on the Habits and Hustle podcast where myself
and my friends share quick and very actionable advice for you becoming your healthiest self.
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Now if we look at does one diet stand out as better than the others?
So there's two studies I'm thinking of.
There was one looking at four different diets and one looking at 14 different diets.
Both were systematic reviews and they looked at long-term weight loss. And what they found was basically
no diet performed better than another diet. But in one of them, they stratified people regardless
of diet type from least adherent to most adherent. And wouldn't you know it, from least adherent to
most adherent, there was a linear reduction in body weight. So again, I know this sounds very much like a cop out, but whatever you can stick to,
whatever you can sustain is going to be the best diet for you.
Now that appears to be extremely individual.
I've had people say to me, I did intermittent fasting and I didn't even feel like I was dieting.
I've had people say, I tried everything and I did low carb and it felt easy.
I've had people say, I did a plant-based diet
and I was so full all the time, it felt easy.
If you're gonna lose weight and keep it off,
you have to follow some form of restriction,
but you should choose the form of restriction
that feels the least restrictive to you
and also don't assume that it'll be the same for everybody.
So for me, I tried the whole eat clean 20 years ago
when I was getting into bodybuilding,
when I felt, what I found out was I was binging
on the weekends.
And I remember one day I just had like mowed down
a whole pizza and I was like, you know,
I feel like it's not the pizza itself that's,
you know, screwing me up.
It's the fact I'm eating the whole thing.
So I'm gonna try and hit these
calories and protein and carbs and fats and let myself, if I feel like I want something,
let myself have it and wouldn't you know it, I had no problems after that.
You were able to stop at just a little amount?
Yep. Now that's my personality, my psychology, right? So I'm somebody like, if I know I can
have it, it makes me actually want it less. So I track my calories, I track my psychology, right? So I'm somebody like, if I know I can have it, it makes me actually want it less.
Yeah.
Right?
So I track my calories, I track my protein,
I track my carbs, my fats.
Now for some people that feels very overwhelming.
It feels extremely restrictive.
They just say, well, I'd rather just like
reduce my carbohydrate intake and not worry about it.
Okay, you can do that.
Yeah, depends on who you are.
But again, but funny enough,
when I got into coaching people,
I thought, well, I've got the solution.
I'll just have everybody do this flexible dieting thing,
and this will solve all the problems.
And of course, learned, hey, dumb dumb,
not everyone's like you.
What did you find for the people that you've trained?
Of all the people you've trained,
what has worked the most in terms of what you've seen?
Well, flexible dieting has worked the most, but that's a selection bias because people come to me
because they know I'm a flexible dieting guy. Right.
And so then they end up wanting to gravitate towards that. And I'll always tell people in
low carb or fasting, like, they're like, look at all these people who've gotten all these results.
I'm like, yeah, because they're coming to you because they're already sold on that.
Exactly. So what I would say is like, listen, you know, I think that this is great news,
personally, because it means the world is your oyster. Whatever dietary strategy helps you
be able to be consistent, just do that. I mean, we have like a nutritional coaching app
that we designed, an algorithm-based coaching app, and we don't...
What's it called? app that we designed, an algorithm based coaching app. And we don't, we don't, we don't, it's called carbon diet coach.
So it's like basically like one-on-one nutrition coaching, but for a fraction
of the price, so $10 a month, and it's all algorithm based algorithm that I helped
write, but we don't, when it comes to dietary preference, we give people options.
Do you want to be plant-based?
Do you want to be low carb, ketogenic? Do you want to be balanced? Do you want to be low fat? And you can pick
and then even within those, we let you shimmy the numbers a little bit. So you can really
get to something and we don't say, hey, you've got to eat five meals a day or three meals
a day or eight meals a day. You get to pick based on what you feel is most sustainable
for you in terms of dietary strategy.
Oh, that's great. So, you know, I really think that reframing this stuff
is like we get into these diet wars.
Everybody wants to be the winner
and have their diet be best.
And I'm like, shouldn't the goal be to like
just figure out what works for people?
Like, and people say, you can't lose fat
eating carbohydrates.
I'm like, how many millions of examples
of people eating low fat,
higher carb diets and losing fat and getting very lean
do we need before we say, well, that's obviously not true.
A hundred percent true.
I think people get so, and I'm guilty of this.
It's like they find whatever worked for them
and then try to justify why it's the best thing to do.
It's almost like we're just like, it's like teams, right?
Totally true.
It goes to politics, the whole thing. It goes with everything, but it's the best thing to do. It's almost like we're just like, it's like teams, right? It's like, it goes to politics, all the whole thing.
It goes with everything.
But it's also like, cause we want to, we don't,
to change our minds is very difficult.
Oh yeah. Right?
And so if we have that in our brain, it takes a,
is it cognitive dissonance?
Is that what it's called?
Yes, cognitive dissonance.
Yes.
Great example of that.
And this is, this is an example of politics,
but I think there was a study done like 10 years ago,
and they showed both Democrats and Republicans facts
that would either support or refute,
like directly refute a position they held, right?
What they found is that whether it refuted
or supported their position,
both things were equally as effective
as causing the person to become more entrenched
in their beliefs. So when they presented facts to these people, and it didn't matter if it was
Democrats or Republicans, this is a people problem, this is not a party problem. When they presented
facts to Democrats or Republicans that refuted a position they held, people did not take the
other side. They did not admit they were wrong. It actually
caused them to double down. Yeah. And that's what's called cognitive dissonance. That's so true. I
totally agree with that. Okay. I didn't ask you about artificial sweeteners like Stevia versus
Asperger's because I think you did something on Diet Coke. Yeah. Like everyone, because if you
were at, if you hold a Diet Coke around these days, you might as well just hold like a machete
and like, you know what I mean?
Like it's unbelievable.
Like God forbid you have a Diet Coke.
I'm like, that's my biggest weakness is, you know, whatever.
You don't think it's as bad as people think it is.
Like it's like, right?
That's-
I mean, I'll tell people, do you want to discuss feelings
or do you want to discuss what the data actually says?
I want the data.
So if we look at the effects on like type two diabetes, do you want to discuss what the data actually says? I want the data.
If we look at the effects on type 2 diabetes, on weight loss, if you look at correlation
data, which is basically what characteristics do people who drink more diet sodas have,
you can find a correlation between obesity and diet soda.
They've gone, aha, see, it's causing people to be fat.
Well, that's like saying basketball is causing people to be tall.
Right.
Yeah.
Right?
But if we actually look at the randomized control trials, where they substitute diet
sodas instead of regular soda, they see significant loss of body weight.
And actually, people say, well, it's not better than water.
There was a recent network meta-analysis done where they compared diet soda versus regular
soda, water versus regular soda, and water versus diet soda.
The people drinking diet soda lost a little bit more weight than the people drinking water.
Stop it.
Now, diet soda is not a fat burner, okay?
They're just eating less.
So what that suggests is people are,
if they're substituting with water,
they're still seeking out that sweet taste somewhere else.
So now people will say, well, that's just weight loss.
Like it can't be healthy for your gut microbiome and whatnot.
So there's only a couple studies in humans
on the gut microbiome.
Most of it's been in Petri dishes and high dose rodent studies.
It does appear that some of these artificial sweeteners do change the gut
microflora. However, what we don't know is, is it a bad change, good change, or neutral?
We don't know those things?
We don't know those things. No.
And I've talked to several, one of my colleagues who did her masters at Illinois when I was
doing my PhD in my lab, Suzanne Defcona, is one of the world's leading researchers on
the gut microbiome.
And I asked her about diet soda and she said, when it comes to gut health, that's one of
the last things I'm worried about.
Really?
Yeah.
So for example, so there was a study done where they showed that artificial sweeteners,
I don't know if it was aspartame, I think it was sucralose.
Which is Splenda?
Yeah.
Yeah, Splenda.
They showed that, and it does appear to be artificial sweetener dependent.
I don't know if aspartame changes the gut microbiome.
There was a study looking at it.
I can't remember exactly which one it was.
I know sucralose did, but if you look at the microflora, then it changed in terms of reducing and increasing.
They did note an increase in the production of things like butyrate and propionate.
So if you go and look at the literature on butyrate and propionate, guess what?
They actually appear to have health benefits. So now I'm not saying that artificial sweeteners
are necessarily good for your gut. What I'm saying is we don't know.
But what I'll tell you is this, if I can get somebody to stop drinking regular soda and
drink diet soda and they lose 50 pounds, and every time I post about this, there'll be
multiple people say, all I did was cut out regular soda and drank diet soda and I lost
50 pounds, 70 pounds, 100 pounds.
You're going to have a hard time convincing me,
regardless of whatever is happening with the gut microbiome,
which we don't know, that that person is not healthier now for having lost 50 pounds.
That is amazing. Where did this all come from?
It's the naturalistic fallacy, which is if something is artificial, it must be bad for us.
But if you look at what aspartame breaks down into, it's aspartic acid, phenylalanine,
and then it breaks down into methanol.
Oh gosh, methanol, let me get to that.
Aspartic acid and phenylalanine are amino acids.
You get 20 times the aspartic acid and phenylalanine
in a steak that you do in a diet soda, all right?
So let's just take those out of it.
The methanol, it's such a small amount,
your body can easily metabolize it. And I of it. The methanol, it's such a small amount,
your body can easily metabolize it.
And I believe you get more methanol
in like a glass of tomato juice than you do in diet soda.
Really?
So because you have to understand,
while a Coke is like 40 grams of sugar,
artificial sweeteners are hundreds of times sweeter
than regular sugar.
So aspartame I think is 200 times sweeter than sugar, and sucralose is like 600 times sweeter than regular sugar. So aspartame, I think is 200 times sweeter than sugar
and sucralose is like 600 times sweeter.
So you're talking about milligrams of this stuff.
It's a very, very small amount,
which is why again, when they cite these rodent studies,
where they're giving a thousand times the dose
of what they would normally give humans,
I kind of go, who cares?
It doesn't matter.
I'm not saying people should drink diet soda. I'm not encouraging it as a weight loss tool.
What I'm saying is right now, if somebody wants me to say that it's bad for you,
I don't think you can objectively say that. Do I think it warrants further investigation?
Of course. But again, if it's a tool that helps people
lose significant body weight and keep it off,
then I think it's a net win.