Walnuts Improve Insulin Response and Gut Health in Obesity

A USDA-backed study links whole walnuts to better insulin sensitivity, reduced gut permeability, and favorable microbiome changes in adults with obesity

Topline

In a tightly controlled dietary study, whole walnuts but not walnut oil or corn oil improved insulin response and reduced gut permeability in adults with obesity, likely by enriching beneficial gut bacteria and modifying bile acid and metabolite profiles.

Study Details

Researchers from the University of Illinois Urbana-Champaign presented findings …