The research of the master degree entitled   (the protective effect of the mixture of substances coq10, l-carnitine and ginkgo biloba on the brain, liver, kidneys and endocrine glands to protect against toxicity of lead and cadmium in male rats) was submitted  in the College of Pharmacy at University of Basrah by the student Noor Ali Abdul-Redha.  The study investigated  the protective effect of substances (COQ10, LC, CB) on toxicity resulting from heavy substances (pb, cd) that led to physiological changes in male rats.It concluded that these materials have a protective effect against poisoning that occurs as a result of exposure to toxic heavy materials