A cup of fresh or frozen blueberries has about 85 calories and 14 grams of sugar. One half cup of dried blueberries, on the other hand, has roughly 270 calories and 25 grams of sugar. If you do eat dried fruit, she added, it is best to stick with one serving a day
One cup of blueberries has 7.4 grams of fructose, so if you limit your intake from other sources, you can eat a cup of blueberries a day and still be well within the healthy limits.
Dried blueberries pack a nutritional punch. They are low in sodium and in calories, offering 127 calories per one-quarter cup, and they contain no cholesterol. In addition, these fruits contain nutrients that are vital for your health.