NOW Clary Sage Oil is steam-distilled and guaranteed to be 100% pure.With an aroma that's herbaceous, wine-like and sweet, Now Foods Clary Sage oil has been used throughout the ages to soothe nervous tensions, inspire creativity and renew feelings of vigor and wellness. Sage has one of the longest histories of use of any culinary or medicinal herb. It was used by herbalists externally to treat sprains, swelling, ulcers, and bleeding. Internally, a tea made from sage leaves has had a long history of use to treat sore throats and coughsoften used as a gargle. It was also used by herbalists for rheumatism, excessive menstrual bleeding, and to dry up a mothers milk when nursing was stopped.?