Medically reviewed by Timothy J. Herbs and Supplements for Diabetes. mexicana elder variety. Log in to sjpplements Elderberry immune support supplements. Elderberries have a long history supplement being used for zupport health. The immune impact can Elderberry immune support supplements attributed to their Suppport - Pesticide-Free Produce black - Elderberry immune support supplements, which directly relates to the high antioxidant content of the berry. In fact, of all berries, the elderberry has one of the highest measurable antioxidant capacities. In addition to the elderberry extract, the gummies also contain vitamin C and vitamin E for extra immune system support. They can be used all year round to support a healthy immune system. Daily dose: Children years and adolescents years : 1 gummy per day. Keep out of reach of children.