Like most root vegetables, beets are too high in carbohydrates to be diabetic-friendly when used as a whole side dish. We suggest that you use a small amount of shredded beets as a garnish, such as in a salad.

However, you CAN eat freely of beet greens!

 

Starch and Root Vegetables and Diabetes
https://diabetesmealplans.com/6582/starch-and-root-vegetables-and-diabetes/

Remember: the amount of carbs you eat is the most important thing that influences blood sugar and A1C.