When talking about gut health, we often hear about probiotics and
prebiotics, two terms that, while sounding similar, play very
different roles in our bodies.
Probiotics are live microorganisms, mainly bacteria or yeasts, which,
when consumed in adequate quantities, provide health benefits, particularly
to our digestive system. They promote the balance of
the intestinal flora, help prevent and treat disorders such as diarrhea,
bloating, and intestinal infections, and support the immune system. Probiotics
are mainly found in fermented foods such as yogurt,
kefir, and sauerkraut, but can also be taken in supplement form.
Prebiotics, on the other hand, are not live microorganisms, but dietary substances
that promote the growth and activity of beneficial bacteria already present in
our intestines. These are mainly indigestible fibers, such as
inulin and fructooligosaccharides, which “feed” the probiotics, thus helping
maintain a healthy intestinal environment. Prebiotics are found in foods
such as garlic, onion, banana, and leek.
The fundamental difference between probiotics and prebiotics is that probiotics
are live bacteria that provide direct benefits to our gut health,
while prebiotics are substances that nourish these beneficial bacteria,
promoting their growth and activity. In practice, probiotics are
like the “good” microorganisms that help maintain intestinal
balance, while prebiotics are the “food” that supports them.
Both probiotics and prebiotics are important for intestinal health and
overall well-being. The ideal would be to combine them, eating foods
rich in both, to maintain a healthy gut and a strong
immune system.