Medicinal oils are oils that are taken internally for their health benefits. This contrasts with essential oils which are used externally and are mixed with a carrier oil. Medicinal oils have typically been used in natural medicine for many years. Use of Black Seed oil for example can be traced back more than 3000 years. Benefits include strengthening of the immune system,numerous laboratory studies indicate oil of oregano has anti-fungal, antioxidant, anti-fungal, anti-parasite, and anti-bacterial activities. Oil of Oregano has potent antiseptic qualities and at Natures Way we have sourced Oil of Oregano with high levels of the active ingredient carvacrol, for a fantastic price.