For all coughs and flu. Elderberry is used for “the flu” (influenza), H1N1 "swine" flu, HIV/AIDS, and boosting the immune system. It is also used for sinus pain, back and leg pain (sciatica), nerve pain (neuralgia), and chronic fatigue syndrome. Some people use elderberry for hay fever (allergic rhinitis), cancer, as a laxative for constipation, to increase urine flow, and to cause sweating.
The berries and flowers of elderberry are packed with antioxidants and vitamins that may boost your immune system. They can help tame inflammation, lessen stress, and help protect your heart, too.
Some experts recommend elderberry to help prevent and ease cold and flu symptoms.
It’s also been used as a treatment for: