Simple Steps to Preventing Diabetes – The Nutrition Source

This leads to lower, slower increases in blood sugar and insulin, and a lower glycemic index. As a result, they stress the body’s insulin-making machinery less, and so may help prevent type 2 diabetes. [9] Whole grains are also rich in essential vitamins, minerals, and phytochemicals that may help reduce the risk of diabetes.

https://nutritionsource.hsph.harvard.edu/disease-prevention/diabetes-prevention/preventing-diabetes-full-story/