It’s a perfect smoothie ingredient, by the way.
We know that foods like kefir contribute probiotics, those gut-loving bacteria.
And it turns out, kefir contributes more than just that.
Photo:Getty Images. EatingWell design.
These researchers published their findings in April 2025 inBrain Behavior and Immunity Integrative.Lets break down what they found.
How Was This Study Conducted?
Study authors searched research databases for studies that had been done on kefir and neurodegenerative diseases.
What Did This Review Find?
Several findings surfaced between these seven studies.
Study Limitations
How Does This Apply to Real Life?
But thats not all kefir contributes.
And there are other varieties, including organic, grass-fed andA2 kefir made from A2 milk.
Theres something for you, too, since kefir can also be made from nondairy milks.
Theres evenwater kefirthat you’re free to make yourself by purchasing water kefir grains.
Use kefir in any of your favorite smoothie recipes, including options like ourBerry-Kefir Smoothie.
It can also be used as the buttermilk base of dressings, likeranch dressing.
Or replace the milk in your mac and cheese recipe with plain kefir for an added probiotic boost.
And of course, it’s possible for you to also sip it on its own.
However, much more human research needs to be done.
In addition to food, other habits also play a role in brain health.
If you smoke, get help to quit.
Alcoholisnt great for your brain health, so if you dont drink, dont start.
Good sleep and regular exercise can help you out, too.
If that list seems overwhelming, take a deep breath and try improving just one thing at a time.
Small steps can lead to big changes when it comes to your health.
Centers for Disease Control and Prevention.
Alzheimers Disease and Dementia.About Dementia.
2025;10. doi:10.1016/j.bbii.2025.100115
MedlinePlus.Degenerative nerve diseases.
2020;12(2):346. doi: 10.3390/nu12020346
American Heart Association.Added Sugars.
