March 2024 b12 & sauerkraut: lactobacillus Reuteri makes the difference

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00:00This video follows on from my last one on B12. It's about what I found out about bacteria in

00:08B12. Some bacteria makes B12. I'm trying to increase my B12 by identifying and eating that

00:15bacteria. Bacteria rarely makes B12 but I did find Lactobacillus rooteri and Lactobacillus

00:21corniformis that did make it. And L. rooteri makes 700 times more than corniformis. So where can I

00:26find it? Google says sauerkraut, which is fermented cabbage. Great, I can just buy it in a shop.

00:32There's no point buying it in a shop because it's pasteurised and that destroys the bacteria.

00:36But does unpasteurised sauerkraut contain it? Let's look at the research. It does contain

00:41Lactobacillus corniformis and 686 other strains, but no L. rooteri. But I want L. rooteri, so where

00:49does it naturally live? Amazingly, it's indigenous humans and research reports it can be found in

00:55faeces, 38% of vaginas and 15% of breast milk. Everyone's got their limits. Could I find a

01:01more accessible source? Maybe skin. In 2016, researchers studied the microbiome of babies

01:06born either by vaginal or C-section delivery. All the babies were bottle fed. Half of each

01:12group of babies had their milk supplemented with L. rooteri. The C-section babies who had

01:17not had milk supplemented with L. rooteri had a worse gut biome. When compared with either

01:22vaginally birthed babies or the C-section babies that had had L. rooteri. The researchers concluded

01:27that L. rooteri is a keystone species of bacteria. The more I learn about this bacteria, the more

01:33I want it. As the vaginally birthed babies must have received their L. rooteri via skin,

01:39it must be possible to transfer L. rooteri by skin. So, taking everything that I've learned

01:45and brainstorming, what can I do to get the L. rooteri? Well, I took a leap. L. rooteri

01:50lives on human skin, particularly that of healthy females, and lactobacillus seems to live nicely

01:55in cabbage. So, handmade, hand-mixed by healthy females sauerkraut should give the best chance

02:01of L. rooteri getting in the sauerkraut and fermenting and growing. Nom nom nom nom. I eat

02:07it and then the B12 starts being produced in my gut. This was the plan. And my levels did shoot

02:12up. But I also did a bunch of other stuff, which you can see in the prior video, but

02:16I really felt this was a major contributor. But when those researchers mentioned that

02:19L. rooteri was a keystone species, they really got my attention. What kind of transformation

02:24could adding in L. rooteri to my gut actually use? National Geographic have got an amazing

02:28video on the wolves of Yellowstone Park as a keystone species. They changed everything.

02:35And even put more fish in the rivers. Could reintroducing L. rooteri to my gut be like reintroducing

02:4040 wolves to Yellowstone National Park in 1995? Unfortunately, simply reintroducing L. rooteri

02:46isn't quite as straightforward as releasing the Yellowstone wolves. Research suggests that

02:50these bacterial allies need more than just a one-time boost. For instance, a 1980 study

02:56observed that vegetarian Indians who moved to London developed B12 deficiencies, something

03:01that they didn't face back home. The study hinted at hygiene practices potentially playing

03:06a role. We know L. rooteri thrives in environments with more exposure to, well, let's just say,

03:13Mr. Hankey. This exposure might have naturally maintained L. rooteri numbers in 1980s India,

03:19but in London, with its emphasis on hygiene, L. rooteri might have felt the squeeze. While

03:24this is just one study, it suggests a theory. L. rooteri requires regular replenishment. Unlike

03:31those Yellowstone wolves who could populate the park on their own, these bacteria need

03:35a helping hand. Personally, I opted for weekly BioGaia L. rooteri supplements as a precautionary

03:43measure. However, my gastroenterologists expressed caution as high B12 levels are sometimes observed

03:48in SIBO patients. In my case, I continue eating sauerkraut for my non-supplement intake, offering

03:54what should be another L. rooteri source with added health benefits. You're welcome to follow

03:58my journey against stage 4 cancer on She Dares Live.

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