Both polyphenols and probiotics are great for gut health for different reasons. Polyphenols feed existing bacteria, while probiotics introduce new bacteria into the gut.

Probiotics are an umbrella term for the live microorganisms that we consume that will eventually flourish in our gut. Common sources include yogurt, fermented pickles, and kimchi. Within these foods, ...

The stomach is not the only one digesting lunch — so are microbes. Every time someone eats, an entire ecosystem inside their gut gets to work, breaking down food, absorbing nutrients and boosting the ...

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