13 Little-Known Nutrients Essential for a Stronger Immune System

3. Elderberry: The Ancient Antiviral

Elderberries have been used for centuries in various cultures for their potent antiviral properties. Rich in antioxidants and vitamins A, B, and C, elderberries are particularly effective in combating cold and flu viruses. Studies have shown that elderberry extract can reduce the duration and severity of flu symptoms, making it a valuable ally during cold seasons. Whether consumed as a syrup, tea, or supplement, elderberries offer a natural and effective way to enhance immune function and protect against viral infections.