Hank Green's fiber rethink comes with a bean-blending shortcut
Liam from The Plant Slant joins Green to turn a lesson about gut microbes into practical additions to familiar meals.
Why this story? 912,649 views so far, and here is what is inside it.
I Was Wrong About Fiber
Things we can learn from the video
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- 4:08Green explains how microbial fermentation turns fiber into short-chain fatty acids that fuel cells lining the colon.
- 6:18Butyrate metabolism consumes oxygen, helping maintain the low-oxygen environment beneficial gut bacteria need.
- 11:43Liam suggests psyllium husk as an accessible starting point while encouraging a wider variety of fiber sources.
- 18:50For people who dislike bean texture, Liam recommends blending white beans or red lentils into soups and sauces.
- 25:30Liam cooks black beans in bulk and freezes them in silicone trays for later meals.
- 27:42His guiding approach is to add high-fiber foods to existing favorites rather than eliminate those favorites.
The correction in "I Was Wrong About Fiber" isn't that fiber is bad for you. Hank Green already knew it helped. What he hadn't fully understood was how something we don't digest becomes fuel for the cells lining our colon.
Green follows that process through the gut's microbes, which ferment fiber into short-chain fatty acids, including butyrate. He explains that colon cells use those compounds for energy, and that burning butyrate consumes oxygen, helping maintain the low-oxygen conditions beneficial gut bacteria need. Fiber isn't simply material passing through: its microbial breakdown helps sustain the surrounding environment.
Then comes the dinner question. Green brings in Liam, the creator behind The Plant Slant, whose suggestions accommodate people who don't particularly want a bowl of beans. Blend white beans or red lentils into soup or pasta sauce, he suggests. For batch cooking, he freezes cooked black beans in silicone trays, ready to add to meals later.
Liam's guiding idea is addition rather than subtraction. Keep familiar favorites and find ways to bring more fiber alongside them. He recommends increasing intake gradually and using varied sources, with suggestions ranging from baked oats to edamame mashed with avocado for toast.
Their enthusiasm has limits: both name butter beans as their least favorite legume, although Liam still finds a use for them blended into sauces. The comments extend that kitchen conversation with bean-cooking methods and quinoa tips, alongside several viewers who had expected a video about fiber-optic internet.
The episode also includes promotion for Green's own focus app. Its central promise, though, is answered directly: what Green had missed wasn't fiber's reputation, but the work its breakdown products do inside the gut.
Published on Trari
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What viewers say
I thought this was going to be about fiber internet
@blobplays9208See it on YouTubeI have a bowl full of beans and I sit down, go to youtube to see the thumbnail of this video. It was meant to bean.
@amemorgSee it on YouTubeHank and Liam having a conversation is like unstoppable force meeting another unstoppable force, but both of them are going in the same direction
@TheWindwallSee it on YouTube
5 more comments
"I thought fiber was good for you...and it is!" Hank, I'm not sure we have the same definition of 'wrong'
@LoZfan03See it on YouTubeOMG.... Hank/Liam combo about Fiber?!? Exactly what I needed this morning!
@whitneylevisSee it on YouTubeCook beans the brazilian way: soak them overnight, change the water a couple times. Sweat onions in a tiny bit of oil, then garlic, add the beans, swirl them around a bit to sizzle, add the water, then a bay leaf and cook until tender!
@IDCCRSee it on YouTube16:32 "i just wanna put a bunch of things in a bowl and eat that for like a week" i have been seen
@ace.of.space.See it on YouTubeI need a gif of Hanks face when he hears 'How does a square have math'
@stephaniesmith5454See it on YouTube
Public comments from the video's page on YouTube
- Channel
- Hank Green
- Subscribers
- 3,200,000
- Channel views, last 7 days
- 6,835,523
- Channel views, pace per day
- 1,344,437 (on a normal day: 658,357)
- Video published
- October 29, 2026
- Video views so far
- 912,649 (5 days online)
- Video views, pace per day
- 170,908 (on a normal day: 212,090)
The numbers
The conversation has reached about 913,000 views in five days. Its appeal here is the explanation and practical food ideas, rather than an unusual viewing surge.
💡 Test your knowledge
Which compound is central to Green's explanation of how fiber helps fuel colon cells?
Green explains how gut microbes produce butyrate from fiber and how colon cells use it for energy.

