Natural sources elderberry concentrate. Description: Sambuca's nigra l. Is the Latin name for black elder, the dark blue/black berries of this plant have many naturally-occurring nutritional substances such as rutin, quercetin (flavonoids) and anthocyanin's. Current research supports the long held beliefs about elderberry's health benefits on the body. Elderberry syrup has been traditionally used to help support the immune system, especially during the winter season or when experiencing extra stress. An added advantage to the use of elderberry is its record of safety for all ages. Free of sugar, preservatives, artificial ingredients. Disclaimer: these statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.