Icelandic crowberries are exceptionally rich in the anti-oxidant anthocyanin, as well as contains vitamins C and E. Regular consumption of berries is considered to have a positive impact on eyesight, blood pressure and mucose membranes, as well as having anti-aging effects.

The anti-oxidants in the Icelandic crowberries combat the harmful effects of free radicals which are associated with numerous diseases, such as cancer. Anti-oxidants can prevent cell damage and DNA mutations caused by free radicals, such damage and mutations can mark the beginning of cancer formation.