High in vitamin C. There are 52 mg of vitamin C per cup of fruit, which accounts for 57% of the daily value. A good source of phenolic acids. These compounds are potent antioxidants that can help reduce damage from oxidative stress in the body.

Elderberry contains the antioxidant flavanols quercetin, kaempferol, and isorhamnetin. The flowers contain up to 10 times more flavanols than the berries. Rich in anthocyanins, these compounds give the fruit its characteristic dark black-purple color and are a strong antioxidant with anti-inflammatory effects.