Eye Factors® is a combination of herbs and nutrients that have been shown to supporteye health and reduce free radical damage to the eyes.* Eye Factors includes the carotenoid lutein, as well as bilberry, multi-anthocyanidins (a complex extract of plant flavonoids that are powerful free radical scavengers. Multianthocyanidins are standardized extracts derived from blueberry, cranberry, elderberry, grape, raspberry, strawberry, and of course, bilberry, carrot juice powder, and eyebright. All the herbs and nutrients in this formula are safe, and many are powerful antioxidants that fight free radical damage, one of the main reasons our eyesight deteriorates as we age.*