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 My understanding is that lactobacillus is not self maintaining in the gut, making constant reintroduction through consumption necessary. Bring on the sauerkraut! 
 Bring on the sauerkraut! For sure. It’s like a garden. It needs more seeds planted (probiotics), good fertilizer (prebiotics), and can get weeds (transient flora). However, there is still much to know. People eating meat only (carnivore diet) have some undeniable benefits but one of my main concerns is that, over time, they will starve out their good flora which may make returning to consumption of non-meat foods challenging. For the most part, my gut patients improve when they eat fermented foods - myself included. 
 This is my experience as well. It seems to be that moderate dietary biases, with preferences for meat and fat with veggies results in wellness. Extremism takes benefits and effectively converts them into liabilities over time. 
 Well said. 
 Thank you. 
 pretty sure it will live in your gut so long as you feed it enough milk and not overrun it with sugar shite that breeds competitors that kill it off

the bacteria is originally from calf intestines afaik, but it also floats around in the air nearby... not surprisingly

there's no way it survives in your gut without regular doses of lactose, that's for sure

and it's no use for anything other than digesting lactose

lactobacillus converts lactose into lactic acid, and there is a second one, that lives in a symbiosis, acidophilus, which likes the acid conditions and breaks down proteins like the hard protein casein from milk 
 Sorry, but this isn’t correct. Lactose is broken down by an enzyme, lactase, which many animals only produce until milk consumption is no longer necessary. Lactobacillus is an anaerobic bacteria that dies in the presence of oxygen. It is maintained in the human vagina, using maltose secretions, where it helps to maintain a protective acidic pH. I suppose we should all consume more vaginal secretions?! 😂 
 https://en.wikipedia.org/wiki/Lactobacillus

Lactobacillus species constitute a significant component of the human and animal microbiota at a number of body sites, such as the digestive system, and the female genital system.[4] In women of European ancestry, Lactobacillus species are normally a major part of the vaginal microbiota.[5][6] Lactobacillus forms biofilms in the vaginal and gut microbiota,[7] allowing them to persist during harsh environmental conditions and maintain ample populations.[8] Lactobacillus exhibits a mutualistic relationship with the human body, as it protects the host against potential invasions by pathogens, and in turn, the host provides a source of nutrients.[9] Lactobacilli are among the most common probiotic found in food such as yogurt, and it is diverse in its application to maintain human well-being, as it can help treat diarrhea, vaginal infections, and skin disorders such as eczema.[10]



i bet that the contraceptive pill kills it, for one thing

it's aero-tolerant, it can tolerate a lot of exposure to air for an anaerobic bacterium

it is symbiotic with acidophilus, the combination of the two is what makes yogurt

women don't exude maltose, more likely since it feeds on lactic acid the vagina emits as this is a product of muscle metabolism in low oxygen conditions

they can live off lactose, but what they really love is lactic acid and that's produced during anaerobic metabolism of glucose by muscles, and i'd guess that's where it comes from 
 Ok, I have a few thoughts about you, and lactobacillus. The organism doesn’t love lactic acid, it is a protective waste product. You are fairly intelligent, but my opinion is that you need to focus on quality over quantity. You are young and highly motivated, but take the time to acquire a handhold on the information you procure.