Immediate immune system support.Herbal Supplement containing Wild Mediterranean Oregano Leaf Oil (Origanum vulgare) Guaranteed to contain at least 70% carvacrol. Our true wild Mediterranean Origanum vulgare is the most powerful Oregano nature offers. It is standardized to 70% carvacrol, the active part of the herb. It provides immediate immune support and has the broadest spectrum effect.Manufactured to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA.