The phrase "olive leaf" refers to the leaf that grows on an olive tree. It is commonly associated with peace, protection, and abundance. Full definition
In case you're wondering: most natural health experts advise 500 mg of olive leaf extract twice a day for lowering blood pressure. (naturalhealth365.com)
The power isn't guaranteed to appear in olive leaf extract, as they're so nutritionally different, but this highly promising study says that it does. (supernaturalacnetreatment.com)