Dr. Will Bulsiewicz

That's right. So a slow gut transit time, which is a gut transit time more than 58 hours. So again, and this is all with the blue muffins. You eat the blue muffin, it comes out 58 hours later. You are more likely to be having a Bristol 1 or Bristol 2, which is the classic constipation form. There's no way. no way that you would have slow gut transit time and have a Bristol 7. That's not possible.

Yeah, a diarrhea.

Yeah, a diarrhea.

And the reason why this is happening, you know, so when water moves through the intestines, because a ton of water moves through the intestines, and one of the jobs that our colon has, the large intestine, is to pull the water out. So the more time that something spends inside the colon, the more it's actually going to do that, pull the water out.

And the reason why this is happening, you know, so when water moves through the intestines, because a ton of water moves through the intestines, and one of the jobs that our colon has, the large intestine, is to pull the water out. So the more time that something spends inside the colon, the more it's actually going to do that, pull the water out.

This is the reason why when we have fast transit, it's high in water. And this is also the reason why when it's slow transit, it's extremely dry.

This is the reason why when we have fast transit, it's high in water. And this is also the reason why when it's slow transit, it's extremely dry.

All right, let's break this down. So first of all, why is our poop brown? The answer to that question has to do with bile. Bile is produced by our liver. it's actually involved heavily in digestion of fat. So when we, for example, eat a fatty meal, our gallbladder will squeeze. People that have gallbladder issues know what I'm talking about. You eat a fatty meal, your gallbladder squeezes.

All right, let's break this down. So first of all, why is our poop brown? The answer to that question has to do with bile. Bile is produced by our liver. it's actually involved heavily in digestion of fat. So when we, for example, eat a fatty meal, our gallbladder will squeeze. People that have gallbladder issues know what I'm talking about. You eat a fatty meal, your gallbladder squeezes.

Bile then mixes in your intestines with the food and the bile helps to absorb the fat. That bile is what makes our poop brown. Now that becomes particularly relevant if we're talking about a white poop, People poop white? Some people poop white. No way. Yes. And the reason why a person would have a white poop is if there's a blockage that stops the bile from mixing with their intestines.

Bile then mixes in your intestines with the food and the bile helps to absorb the fat. That bile is what makes our poop brown. Now that becomes particularly relevant if we're talking about a white poop, People poop white? Some people poop white. No way. Yes. And the reason why a person would have a white poop is if there's a blockage that stops the bile from mixing with their intestines.

On the flip side, if you are struggling to process your fat, you could have a yellow poop. And this could be a person who has a pancreas issue, for example, chronic pancreatitis. And so if they're not able to digest their fat... they have a fatty poop, it may come out yellow. And one of the things that they'll notice is that there may be an oil slick at the top of the toilet bowl.

On the flip side, if you are struggling to process your fat, you could have a yellow poop. And this could be a person who has a pancreas issue, for example, chronic pancreatitis. And so if they're not able to digest their fat... they have a fatty poop, it may come out yellow. And one of the things that they'll notice is that there may be an oil slick at the top of the toilet bowl.

That's fat, oil is fat. So, all right, you've never had a, have you ever had a green bowel movement?

That's fat, oil is fat. So, all right, you've never had a, have you ever had a green bowel movement?

Answer the damn question. No, I haven't. Okay. I have. Oh, really? Yeah. There's a couple of reasons. Some are healthy, some are not. So you could have diarrhea like from an infectious cause. An example could be something called Giardia, which is a parasite. And that'll give you green poop. But you could also go too hard on the smoothies.

Answer the damn question. No, I haven't. Okay. I have. Oh, really? Yeah. There's a couple of reasons. Some are healthy, some are not. So you could have diarrhea like from an infectious cause. An example could be something called Giardia, which is a parasite. And that'll give you green poop. But you could also go too hard on the smoothies.

I was drinking like 40 ounces of green smoothies a day and my poop would come out green. It was interesting. Okay. We're about to get into some that are really important. Before I do that, let me just mention real quick, the blue.

I was drinking like 40 ounces of green smoothies a day and my poop would come out green. It was interesting. Okay. We're about to get into some that are really important. Before I do that, let me just mention real quick, the blue.

So the blue poo, you could get a blue poo from eating blueberries, particularly if you eat a lot of them, or alternatively, of course, this is the blue muffin, the blue poo challenge. So, and perhaps what we could do in the show notes is give people the recipe for how they can go about doing that if they're interested. All right, red and black.