Blueberries are produced from the blueberry-flowering shrub and are one of the most nutrient-dense berries. One cup of blueberries contain 24 percent of the daily value of vitamin C and 36 percent of the daily value of vitamin K. Believed to contain the highest antioxidant capacity of all typically consumed fruits and vegetables, the blueberry reduces DNA damage, protecting against aging. Elina Fedotova says, "Polyphenols are micronutrients that represent a large category of antioxidants. According to an article in the American Journal of Clinical Nutrition, more evidence shows that these compounds can help prevent the spread of a number of degenerative conditions. Most fruits and vegetables contain some polyphenols, including blueberries."Want to read more? Subscribe to one of our monthly plans to continue reading this article.