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Do probiotics survive digestion?

Do probiotics survive digestion. The science behind probiotics.

Do probiotics survive digestion?

Stomach acid is designed to break down proteins, both for digestion and to prevent harmful bacteria from entering our bodies. It is pretty harsh stuff, and certainly does kill a lot of bacteria, both friendly and harmful.

Nevertheless…

Some probiotics definitely make it through our digestive system alive.

Here’s some of the evidence:

  1. A number of studies have looked at the survival rates of various strains of bacteria, and found that certain strains digestion. From my quick look at the research, L.gasseri, L. acidophilus and B. bifidum all survive, especially if they are in a dairy culture.
  2. There are a lot of health benefits associated with eating probiotic foods. So some probiotics must make it through our stomach to improve gut health.
  3. If you’ve ever had a strong reaction to a new probiotic food, then you are proof that probiotics make it through our digestive system.

Probiotics For a Healthy Microbiome

The science behind probiotics

A microbiome is all of the microorganisms (yeasts, bacteria, fungus) that live on our body. Our body is a micro (tiny) biome (home). It isn’t just in our digestive system, our microbiome is also on our skin and in our lungs. In fact there are more microorganisms in our body then human cells.

  • Eating probiotic rich foods helps our whole microbiome to be healthy and vital.
  • Making homemade fermented food actually changes the microbiome in our homes, which improves the microbiome on our skin and in our lungs.
  • Our microbiome is influenced by the microbiome of those around us. In fact close knit communities have their own unique microbiome.
  • What we eat also greatly affects our microbiome. For example, someone on a paleo diet will have a fairly different microbiome from someone on a vegan diet. And making a change to your diet will rapidly affect your microbiome, which is why it is important to maintain a healthy microbiome diet.

So is a probiotic rich diet worth the effort of homemade ferments?  I certainly think so!

Filed Under: Cornerstone, General Fermentation Information, MicrobiomeTagged With: Microbiome, Probiotic, Science

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Comments

  1. Ruben

    April 26, 2016 at 8:03 pm

    Did you see Sandor Katz when he was in town last year? He said a couple of things that blew my mind:

    The current thinking, he said, goes like this: Probiotics do not by themselves do much. After all, you are introducing a few million or billion bacteria into an environments with TRILLIONS of bacteria—a drop in the ocean.

    But, it turns out bacteria can discard and pick up DNA to suit their needs at the time. So probiotics may serve as a sort of toolkit, providing a source of novel or needed DNA to the gut biome etc.

    Reply
    • Emillie

      April 27, 2016 at 5:41 am

      Interesting… I hadn’t heard that, nor read it. And I did do some research for this blog. 🙂 I definitely know that our bodies aren’t as straight forward as everyone would like them to be! Thanks for sharing.

      Reply
  2. Joanne maile

    December 19, 2018 at 1:29 pm

    Well all this info is amazing. I’m a newbie to all of this process so thank you so much for your very informative books.

    Reply
    • Emillie

      December 19, 2018 at 1:34 pm

      Thanks! I’m an information junky, so it’s fun to share.

      Reply

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Hi, I'm Emillie, an island dwelling fermentation enthusiast. Fermenting For Foodies features healthy recipes designed feed your microbiome.
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