Brand from United States: Nature's Way. DESCRIPTION: For centuries the dark berries of European black elder (Sambucus nigra L.) have been traditionally used as a winter remedy for immune support. -Standardized, Bioavailable extract tested for bioavailability & activity within the body. -From a unique cultivar of black elderberries with a higher level of naturally-occurring flavonoids. -Full-spectrum, solvent-free extraction method that ensures maximum flavonoid potency. Direction: Allow lozenge to dissolve slowly in the mouth. Adults: Take 1 lozenge as needed up to 4 times daily. Children 5 years of age & older: Take 1 lozenge as needed 1-2 times daily.