Jamieson Extra Strength Oregano Oil is an antioxidant for the maintenance of good health, which helps the body defend against bacterial infection. Distilled from the leaves of the oregano plant, oregano oil is said to help the immune system protect itself against viruses, fungi, yeasts and parasites. This Extra strength oregano oil, provides 80% carvacrol. It does not contain any salt (NaCl), sugar, starch, gluten, lactose, artificial colours, flavours or preservatives. Vegetarian.Directions: Shake well before use. Take 5 drops daily (0.15 mL). Take a few hours before or after taking supplements containing iron, zinc, calcium or copper. Store between 15°C and 25°C, away from children.Each serving contains:  Oregano oil (Origanum vulgare leaf providing 80% caracrol…..27.5mgVitamin E (d-alpha-tocopherly acetate)…..1mg AT/1.5IU   Also contains: Extra-virgin olive oil.No salt (NaCl), sugar, starch, gluten, lactose, articifical colours, flavours or preservatives.Warning: Do not use if you are pregnant or breastfeeding or if you have hypersensitivity or allergic reaction to herbs in the Lamiaceae family such as basil, hyssop, lavendar, perilla, mint, rosemary, sage and thyme.  Discontinue use if you experience gastrointestinal upset.