Aaron Hartman, MDFunctional Medicine Specialist | Clinical Researcher

Gut Bacteria & Metabolism

2 Apr 2024 · 1 min

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Antibiotics in livestock feed since the 1950s made animals grow faster and fatter. The same exposure in children is linked to obesity, allergies, and other health problems. Aaron Hartman explains how gut bacteria control metabolism and insulin sensitivity, with GLP-1 as a key mechanism.

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Back in the 1950s, we already figured a few things out with antibiotics. We realized that putting antibiotics into cow feed, into chicken feed, would make the animals grow faster and fatter. We've seen the same thing happen in humans, where kids that are fed antibiotics, not in food, but just when they get sick, actually have more obesity, allergies, and a whole host of issues. So what we've come to realize is the gut microbiome is a huge, huge play with our metabolism, obesity, insulin sensitivity. But how can that be? How can our gut bacteria, our microbiome, be so intricately connected with our metabolism? GLP1 is kind of what it comes down to.