We recommend using only RYR products that have been evaluated by independent testing labs. Believe that the NIH is starting such study, but it won be complete for several years. Large quantities of grape fruit juice quart daily also will increase blood levels of lovastatin. If you are taking amiodarone nakupu mevacor droge Cordarone or verapamil Calan your dose of Mevacor should not exceed 40 milligrams day. If treatment with itraconazole, ketoconazole, erythromycin, clarithromycin or telithromycin is unavoidable, therapy with lovastatin should be suspended during the course of treatment. Other lipid-lowering drugs other fibrates or day of niacin The dose of lovastatin should not exceed 20 mg daily in patients receiving concomitant medication with other fibrates or day of niacin. The maximum recommended dose is 80 milligrams per day, taken as single dose or divided into smaller doses, as determined by your doctor.