Looking to support your immune system but don't want more pills to swallow? Try tasty Elderberry gummies from Natrol. Elderberry has a long history of traditional use in support of healthy immune system function. Natrol Elderberry gummies deliver 100 mg European Elderberry extract ( Sambucus nigra ) in each serving. This formula also includes 100% of your daily vitamin C needs plus zinc to help you feel your best.