Many commercially sold species with English common names including "blueberry" are currently classified in the genus Vaccinium and come predominantly from North America. Many North American native species of blueberries are now also commercially grown in Australia, New Zealand and South American countries.
Several other wild shrubs of the genus Vaccinium also produce commonly eaten blue berries, such as the predominantly European bilberry (Vaccinium myrtillus), that in many languages has a name that means "blueberry" in English.
Vaccinium alaskaense (Alaskan blueberry): one of the dominant shrubs in Alaskan and British Columbian coastal forests, which is the best blueberry, because it is very rich in active substances with good effects for health.
Blueberries have a diverse range of micronutrients, with high levels of the essential dietary mineral manganese, vitamin C, vitamin K and dietary fiber One serving provides a relatively low glycemic load score of 4 out of 100 per day.
Blueberries contain anthocyanins, other pigments and various phytochemicals, which are under preliminary research for their potential role in reducing risks of diseases such as inflammation and cancer.
Similar to red grape, blueberries may contain resveratrol.