The 15 Best Supplements to Boost Your Immune System Right Now
Black elderberry has been used for centuries to treat various infections test-tube studies, and it was discovered that elderberry possesses powerful antibacterial and antiviral potential against bacterial pathogens responsible for the upper respiratory tract.
Elderberry supplements are common in capsules or in liquid form. Overall, these supplements might help with respiratory symptoms and alleviate flu symptoms. Still, more research is needed.