Probiotics, Prebiotics, and Gut Health

This chapter explores the proper use of probiotics, emphasizing the distinction from prebiotics and the importance of fiber for gut health. It also discusses the effects of GLP-1 drugs on gut bacteria and the implications for those on specific diets.

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For decades, gut health was reduced to yogurt commercials and vague promises from probiotics that barely worked. But what if we’ve been targeting the wrong bugs, using the wrong delivery, and ignoring the true source of chronic inflammation and accelerated aging?

In this thought-provoking episode, Dave sits down with Hannah Kleinfeld, a leader in microbiome innovation, to expose why most probiotics fail—and how one company’s scientifically validated approach could redefine your gut, brain, immune system, and even your metabolism.

You’ll learn how dysbiosis may be wrecking your brain without you knowing it, why your probiotic likely died in your stomach acid, and the secret to rebooting your microbiome after antibiotics, GLP-1 drugs, or years of toxic exposure. This isn’t just about digestion—your gut controls your cravings, energy, sleep, mood, and aging trajectory.

So what’s the one upgrade that can actually reset your gut… for good?

What You’ll Learn in This Episode:

• Why your gut—not your brain—is making most of your decisions

• How 93% of probiotics on the market fail before they reach your intestines

• The “AB 10” protocol that rebuilds your gut after antibiotics or SIBO

• What GLP-1 weight-loss drugs are doing to your microbiome (and how to stop it)

• The shocking gut–brain–heart axis connection you’ve never heard of

• Why inflammation, brain fog, and mood swings may start with leaky gut

• Which probiotic strains are clinically proven to improve cognition and mood

• What to do if you want to eat gluten again—or survive American wheat

• How a fermented papaya concentrate could replace your acid reflux meds

• Why optimizing your gut could extend your lifespan by 40%