NATURAL FACTORS - Echinamide Anti-Viral - 120 Softgel(s) - NPN: 80046957 -- Natural Factors ECHINAMIDE Anti-Viral Potent Fresh Herbal Tincture harnesses the power of nature to help you fight viruses. A proprietary blend of clinically proven ECHINAMIDE with well-researched anti-viral herbs, this formula relieves symptoms and helps the immune system deliver a more potent viral-fighting punch.