Copaiba - one of my favorite oils, a painkiller, and magnifies the effect of other oils. Young Living member #1821818. Legal: The FDA does not deal with essential oils as a drug, therefore, it has not evaluated the therapeutic suggestions and statements about oils. Information provided by Young Living or its consultants are not intended to prescribe, treat, prevent, or diagnose any disease or condition. Oils are not intended as a substitute for professional medical care or advice.