12/case directions: shake well. As a dietary supplement take four (4) drops (0.17 ml) three times a day in a small amount of water. For external use: apply liberally three times per day. Serving size: four (4) drops (approx 0.17ml) ingredients: oregano (origanum vulgare) leaf oil 13 mg (standardized for at least 7 mg carvacrol) other ingredients: extra virgin olive oil. Gluten-free. 12/15/16