Berries are a good source offlavan-3-ol, a subtype offlavanoidthat offers a wide range of health benefits.
The video has since sparked an intense debate on whether bananas have a place in fruit smoothies.
Why Might Bananas Reduce Flavanols in Berry Smoothies?

Photo Illustration by Lecia Landis for Verywell Health; Getty Images
This relatively small study only included eight healthy male participants between the ages of 2560.
Participants drank a banana-based smoothie, a mixed berry smoothie, and took a flavan-3-ol supplement as a control.
This is one isolated study on a small sample size.
What Else Can You Use Other Than Bananas?
Flavanols are having a moment in the nutrition spotlight.
In addition to flavanols, berries contain a good source of vitamins, fiber, and antioxidants.
What This Means For You
Most Americans dont eat enough fruits and vegetables.
2022;13(6):2070-2083. doi:10.1093/advances/nmac105
Johns Hopkins Medicine.Berry good for your heart.