Are Black Elderberries Edible?

Are Black Elderberries Edible? Are black elderberries edible? The seeds, stems, leaves and roots of the Black Elder are all poisonous to humans. They contain a cyanide-inducing glycoside. Eating a sufficient quantity of these cyanide-inducing glycosides can cause a toxic buildup of cyanide in the body and make you quite ill. Can you eat black