"Quantum Health pioneered the introduction of elderberry after research out of Israel and Finland demonstrated Elderberry’s unique benefits. Elderberry is a powerful antioxidant and is rich in bioflavonoids and Vitamins A, C, and E. Quantum’s Elderberry is standardized to guarantee 5% total flavonoids. In addition Quantum products use the same form of elderberry as in the studies: Sambucus Nigra.