Immune-Boosting Elderberry Syrup Gallery Immune-Boosting Elderberry Syrup Immune-Boosting Elderberry Syrup A quick Instant Pot recipe that is antioxidant-rich, easy to make, and powerful remedy for common ailments. Keep some on hand to keep your immune system strong year-round. 1 c. dried Immune-Boosting Elderberry SyrupAlissa Mertel, CHHC, AADP2020-04-25T20:21:13-04:00