10:1 Concentrate. Sambucus nigra. Elderberry (Sambucus nigra) is a multipurpose fruit used widely throughout Europe. As a centuries-old tradition, it has been used by herbalists as a tonic to maintain health and well-being. More recently, Elderberry has been recognized for its high nutritive value, especially for its potent free radical scavenging vitamins and anthocyanins. It is truly among nature’s sweet and healthy surprises.