Herb Pharm's Kids Mullein Garlic Oil is a proprietary blend of the extracts of Calendula flower (Calendula officinalis). St. John's Wort flowering top (Hypericum perforatum). Mullein flower (Verbascum sp.) and Garlic bulb (Allium sativum). Both Mullein and Garlic are harvested at their optimal peak. They are promptly extracted in Certified Organic Olive oil while still fresh & succulent or after being carefully shade-dried.