McDaniel Nutrition's Substack

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McDaniel Nutrition's Substack
McDaniel Nutrition's Substack
Prebiotic Sodas: A Gut-Friendly Boost or Just Bubbly Marketing?

Prebiotic Sodas: A Gut-Friendly Boost or Just Bubbly Marketing?

Plus the Menu for the Week of April 28th-May 2nd

Jennifer McDaniel's avatar
Jennifer McDaniel
Apr 25, 2025
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McDaniel Nutrition's Substack
McDaniel Nutrition's Substack
Prebiotic Sodas: A Gut-Friendly Boost or Just Bubbly Marketing?
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Before we get started—just a quick note for anyone interested!

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Prebiotic Sodas: A Gut-Friendly Boost or Just Bubbly Marketing?

Over the past few years, a fizzy new trend has bubbled up in the beverage aisle: gut health in a can. From sparkling drinks like Poppi and Olipop to snack bars and yogurts, digestive health is having a moment—and for good reason.

We’re learning more and more about just how vital a healthy gut is to overall well-being—and it goes far beyond digestion. Our gut microbiome plays a key role in whole-body health, with strong research connecting it to immune function, inflammation, blood sugar balance, and even mood regulation.

So, what’s one powerful way to support the microbes that support us? Fiber.

Want a quick highlight? Check out our segment on Fox 2 about these trending sodas.

Did you know? Did you know I’m Monash University–certified in the Low FODMAP Diet for IBS? This evidence-based training allows me to offer expert guidance to those managing gut issues.

So, What Is a Prebiotic?

Most people have heard of probiotics—the beneficial bacteria found in fermented foods like yogurt, kimchi and kefir milk. Prebiotics, on the other hand, are their lesser-known (but equally important) sidekicks.

Simply put, prebiotics are a type of fiber your body can’t digest, but your gut bacteria can. They serve as fuel for our gut bugs, helping them grow and thrive. Beyond digestive benefits, some early studies on prebiotic compounds hint at broader perks—like improved calcium absorption, better blood sugar control, and even immune support. While ALL fiber is important and of value, not all fiber acts as a prebiotic.

Some common prebiotic fibers include:

  • Inulin

  • Fructo-oligosaccharides (FOS)

  • Galacto-oligosaccharides (GOS)

And they’re naturally found in whole foods like:

  • Onions, garlic, and leeks

  • Asparagus and bananas

  • Barley, oats, and Jerusalem artichokes

  • Legumes and lentils

Enter: Prebiotic Sodas

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