Blueberries
Eating this fruit is a nutrient-dense way to get some of your daily carbs, and research also suggests that eating blueberries regularly improves insulin sensitivity. This means cells are more receptive to the body’s own insulin. Researchers also credit the anti-inflammatory effect of phytochemicals in berries as possibly reducing some of the cardiovascular risks seen with type 2 diabetes.
Oranges
Research suggests that consumption of citrus fruit has a positive, long-term effects on blood sugar, as well as cholesterol levels, thanks to the anti-inflammatory compound hesperidin and a healthy dose of soluble fiber. Additional research from Harvard School of Public Health suggests that eating the whole fruit, rather than the juice, was associated with a lower risk of developing type 2 diabetes.