Antiviral

Probiotics—those good bacteria that live in your gut—have been linked to everything from better digestion to improved mood. And new research suggests that they might also help fight up viral invaders.

The science speaks for itself—elderberry works in a unique way to combat cold and flu viruses and strengthen immune function.

Found in goldenseal and other plants, berberine has a long history of use as a natural antibiotic and anti-fungal treatment—and newer research shows that it may also help with healthy aging, blood sugar balance, and more.

Homeopathy can be extremely effective for getting rid of cold sores—here's how to find the best remedy for your cold sore symptoms.