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Armchair Expert with Dax Shepard

Colleen Cutcliffe (on the microbiome)

18 Feb 2026

Transcription

Chapter 1: What is discussed at the start of this section?

0.031 - 18.175 Dax Shepard

Welcome, welcome, welcome to Armchair Expert, experts on expert. I'm Dax Shepard. I'm joined by Monica Padman. Hi. Long time coming. We really are interested in this. For people who've been listening to the show for years, there was a period six years ago where we were obsessed with getting a fecal transplant from our friend Amy. Yep.

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18.155 - 33.31 Dax Shepard

And it took us six years to get someone who actually knows about this space. And her name is Colleen Cutcliffe, and she is a microbiome scientist and health advisory board member for Johns Hopkins Bloomberg School of Public Health.

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33.751 - 46.744 Colleen Cutcliffe

Very prestigious school. The one you don't like to say because there's an S at the end of John. Plural and plural. There was something funny on the internet. I forget exactly what it was, but it was like people have trouble with pronouns, but they're able to say Ruth's Chris.

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47.062 - 48.103 Dax Shepard

That's hard for me, too.

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48.443 - 49.184 Colleen Cutcliffe

It's hard.

49.385 - 67.624 Dax Shepard

Yeah, it's too, yeah. At any rate, very prestigious, as we know. And she has a company, you'll hear about it, called Pendulum, that is making probiotics and prebiotics and with a much different degree of oversight.

67.644 - 71.088 Colleen Cutcliffe

Yeah, like, does Ruth own Chris? Right.

71.368 - 72.71 Dax Shepard

Ruth's Chris.

73.05 - 75.853 Colleen Cutcliffe

Like, Ruth's son Chris, but they didn't say son Chris.

Chapter 2: What inspired Colleen Cutcliffe to start her microbiome company?

335.642 - 339.729 Unknown

And so his retirement gig for 20 years was professor. Now he's fully retired.

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339.769 - 340.73 Colleen Cutcliffe

That's awesome.

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340.75 - 342.934 Unknown

Yeah. And my mom was like a consultant.

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342.965 - 347.056 Colleen Cutcliffe

A retirement gig is being a professor. That's like my dad's idea of retirement.

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347.076 - 353.565 Dax Shepard

Yeah, her father's just now retiring as an engineer. Yeah. And he immediately started. Right back the next day.

353.985 - 367.243 Colleen Cutcliffe

He just can't retire. Some people are really bad at retirement. Yeah. I called them yesterday or my mom was like, call because we were at the Golden Globe. She wanted to hear about it. And, you know, I faced him and she's like, dad's in a meeting. I was like, he's in a meeting in his retirement. He's retired. He's in a meeting.

367.624 - 372.39 Unknown

Yeah. Well, probably a lot of people want him to like consult on things. Exactly. He's a consultant in quotes.

372.711 - 387.033 Dax Shepard

It just means they don't have to pay any of the other stuff. Yeah. They don't have to pay into the disability. You're a private contractor now. And was he an engineer of some kind at IBM? He was a computer science person. Okay, and so education prized you?

387.253 - 388.535 Unknown

Yeah, and also I'm Chinese.

Chapter 3: How do antibiotics affect the microbiome and health?

2216.748 - 2235.406 Unknown

And then mother's breast milk, a ton of it is actually the prebiotics, which is the food that feeds your microbiome. And so there's a ton of that in it. But then getting back to acromantia, mucinophila, they have never been able to find that. It's not like in yogurts or sauerkraut. You can't find it in any single food. The only place they've actually found it is in mother's breast milk.

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2235.506 - 2236.827 Dax Shepard

By the way, I wasn't breastfed.

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2237.007 - 2243.093 Unknown

Maybe you didn't have even the initial seed. The idea is that you get it from your mom and then you spend the rest of your life trying not to lose this thing. Right.

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2244.018 - 2245.14 Dax Shepard

What if I had breast milk now?

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2245.42 - 2248.064 Unknown

Well, you could also just take the supplement. But you could take breast milk if you wanted.

2248.144 - 2251.449 Dax Shepard

It does have a lot of prebiotics. Would that populate my gut? Why wouldn't it?

2251.669 - 2252.831 Unknown

Yeah, it should be able to.

2252.871 - 2255.735 Dax Shepard

Okay, if you're out there in your nursing. I've talked to my wife.

2255.815 - 2259.741 Colleen Cutcliffe

I wish we were able to just drink it. My brother's girlfriend is pregnant.

Chapter 4: What role does the microbiome play in obesity and depression?

3607.012 - 3607.993 Unknown

One and a half generation.

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3608.794 - 3613.939 Dax Shepard

Yeah, I only know one and a half generation non-white folks from Atlanta. So that's maybe just more a comment on that.

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3614.139 - 3631.836 Unknown

Oh, we're going to try it. And we're going to. Yes. We're the only probiotics company that the Mayo Clinic has invested in. And they've invested in multiple rounds in us. We are sold through over 30,000 healthcare practitioners. So that's like doctors that are recommending the product. And we just got the number one GI doctor recommended Acromantia brand.

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3631.916 - 3635.82 Unknown

But how do you get like those crystal bullet points? It's like still a lot of words.

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3635.8 - 3638.528 Dax Shepard

Yeah, and you don't want your product to be just a bunch of writing all over it.

3638.548 - 3642.92 Unknown

Right. Yeah, yeah. How do you make people feel like this is the cutting edge thing without all those words?

3642.94 - 3650.581 Dax Shepard

That's right. And that's emotional and it's visual and it's actually not as intellectual as we think it is. We get a feeling right away.

3650.601 - 3666.715 Unknown

Exactly. Exactly. And so I will say my biggest weakness is that as a scientist, I'm thinking like, how do you get people to love it trainingly? Like what I just listened to you guys like, oh, that would obviously make you believe. Yes. And so I am actively looking for help from people who are like actually viscerally.

3666.956 - 3682.078 Unknown

And so to the point about clean lines, the new packaging, it feels soft when you touch it. Oh, nice. And it just has the name of the product on the front and all the like words about what's in it and all this. It's actually on a packaging that you throw out. The bottle itself is really clean and feels good. And so I'm like, okay.

Chapter 5: When will microbiome advancements start helping us?

3717.082 - 3731.387 Dax Shepard

And I think, oh my God, overnight, they're going to fix all these genetic disorders. when is it happening? Then you hear this microbiome, we make all these links, but it's like, when is it going to actually start helping us? But I do know we're on the cusp of all these things, but it can get a little fatiguing. Like, when is it going to happen?

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Chapter 6: What role does CRISPR play in microbiome research?

3731.487 - 3742.929 Unknown

When's it going to happen? And actually one thing that doesn't happen can set the whole industry back. CRISPR is a good example of that. Like gene therapy was really hot. There was like one adverse event and then everyone's went ice cold on it.

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Chapter 7: How does Pendulum Therapeutics differ from other microbiome companies?

3743.21 - 3755.616 Unknown

And then it comes back in the form of CRISPR. So these things happen. It takes a long time to change our biology, as it turns out. That's why I think for us, it was so exciting to have this intervention that can lower A1C and lower blood glucose spikes. It's huge.

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Chapter 8: What are the implications of AI in our daily lives?

3755.596 - 3773.364 Unknown

as well as essentially a pharmaceutical, but it's this microbiome intervention. And one huge difference between our company and all the other companies that have been going after it with discovery platforms and doing real science, I don't want to like bash anybody, but most of the consumer products aren't actually doing real science and investing in that.

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3773.985 - 3792.707 Unknown

And almost every one of the microbiome companies that's investing in science is doing a drug path. We are like the weirdos. We're the ones who've done all the science, but are bringing it to consumers. And so that ability to have a new microbiome intervention, it's the first and only probiotic that can help with diabetes. That's so cool. I'm super excited for you guys to try them.

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3792.727 - 3793.328 Unknown

Yes, absolutely.

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3793.348 - 3794.349 Dax Shepard

Well, thanks for coming.

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3794.429 - 3795.05 Unknown

This is great.

3795.09 - 3797.032 Dax Shepard

Yeah, thank you guys. Yeah, our pleasure.

3797.052 - 3798.053 Unknown

Yeah, great to meet you.

3798.093 - 3798.914 Dax Shepard

Good luck with everything.

3799.114 - 3807.102 Unknown

Thank you. Stay tuned for more Armchair Expert, if you dare.

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