California Walnuts Health Research

For over 30 years, the California Walnut Commission has supported health-related research examining the effect of walnut consumption on areas including heart health, cognition, cancer, diabetes, metabolic syndrome, gut health, body weight/composition, reproductive health and more. Explore the breadth of research below and gain access to published research abstracts and helpful resources.

Heart Health

Since 1993, published research has been investigating how eating walnuts affects various heart health biomarkers and risk markers.

Healthy Aging

Scientific evidence suggests that including walnuts as part of a healthy diet may play a role in helping to maintain and improve physical and cognitive health as people age.

Diabetes and Metabolic Syndrome

Research demonstrates the importance of walnuts as part of a healthy diet to help manage complications associated with diabetes and metabolic syndrome.

Cancer

Preliminary animal and cell model research has been investigating the potential benefit walnuts may have on a variety of cancers including breast, prostate and colorectal.

Weight

A growing body of research highlights how plant-based foods such as walnuts may help reduce the risk of chronic disease and be beneficial for overall health, without contributing to weight gain.

Gut Health

Emerging research suggests walnuts may contribute to gut health due to their prebiotic potential and possible role in a variety of associated health benefits.

Reproductive Health

Research has provided encouraging results regarding the potential role of walnuts in male reproductive health.

Health Professional Resource Guide

For over 30 years, the California Walnut Commission has supported health-related research examining the effect of walnut consumption on a variety of health outcomes. Download the Health Professional Resource Guide for a comprehensive look at walnuts and health.