(#1 in Re-wilding blog series)

At least once per day I am asked, “which probiotic do you recommend?” by an acquaintance, friend or client who feels like their digestion or immune system “is just not right.” I take this as a good sign, that awareness of the enormous importance of gut health is rapidly growing. However, commonly the asker is left unsatisfied by my answer, “I don’t generally recommend probiotics for adults.” Unfortunately, there is no one panacea pill as the probiotic industry would like you to believe. Fortunately, there are other ways to recover your gut microbiome and health.

If you haven’t heard yet, your gut is home to a complex and dynamic community of microorganisms (see Science). These microbes and their end products have incredible sway over your health, as they influence nearly every aspect of your biology from your immune system and metabolism to your cognition and mental health. In fact, in 2017 the Cleveland Clinic named the microbiome the “next frontier in medicine” for the potential to “use the microbiome to prevent, diagnose, and cure disease.”

And this is the reason I began researching the microbiome a decade ago. Yet, I have discovered through my research and practice, that most practitioners and patients alike are misguided in their approach to healing the ailing gut microbiome. This blog series titled “Re-wilding your Gut” describes both where we are going wrong, and a paradigm shift we can embrace to help our gut ecosystems recover and thrive.

So why then, would a gut microbiome researcher and specialist generally not recommend probiotics?

First and foremost, every gut microbiome is unique—more unique than even your fingerprint, because it is constantly changing with each choice you make during your day. Your entire life history—since before you were born—has led you to build this particular community of microorganisms. In a healthy adult gastrointestinal tract, there should be a diverse community of microorganisms that contribute to nearly all of the body’s biological systems.

A healthy microbiome contains over 1000 different species of bacteria. Probiotics currently on the market are sourced from only 3-4 different genera—the ones that can easily be grown and stored—not the bacteria that will make your gut healthy and diverse like your hunter-gatherer ancestors. There is no one size fits all panacea: probiotic strains on the market simply will not restore your gut to a healthy, diverse state.

In order to restore and rebuild a depleted (or “dysbiotic”) microbiome, you must first understand who is in your gut, and what they are/not doing. Then I will show you how to selectively restore your indigenous microbial ecosystem, providing your body with the evolutionarily developed functions your body needs for optimal health. This blog series will help you better understand your gut microbiome and how you can restore its natural diversity and resilience.

But let’s get back to why probiotics on the market can’t and won’t work the magic that your gut requires. Imagine for a moment that your gut is a forest. When it is healthy, it is like a rainforest: the rich biodiversity has a complex and masterful ability to keep all species in balance. Blight may wipe out one kind of tree, but other seedlings emerge in their place with little impact on the overall ecosystem. Recovery is rapid and rich: the forest ecosystem incorporates the knowledge of each disease or stressor into its adaptive immune memory bank—making it even stronger as a whole.

Now let’s imagine a less-healthy gut is like a tree farm with only a few species of planted trees. If the soil lacks the integrity of diverse species, the entire farm can be devastated by one disease. The forest will take much longer to regrow, perhaps never achieving the biodiversity of a rainforest.

My suggestion is unless you have a specialist working with you to recommend a targeted probiotic for a specific health outcome, save your money: probiotics are not cheap and there are much more efficient ways of tending to the diversity of your micro-ecosystem.

I predict that in five years we will have probiotics containing “keystone species” that truly can make a difference for the adult gut. But what do we do NOW for our ailing digestive system? Don’t despair; you can reclaim your rightful diversity, and believe me, your body wants to. But this requires a paradigm shift in how we view and treat our bodies, and how we understand the diseases that ail us.

Stay tuned for the next article in my “Re-wilding” blog series…

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