Vatalizel 20 is a cardiovascular drug, prescription drug group, the main ingredient is Trimetazidine, drug content 20mg, dosage form film-coated tablets, packaged in boxes of 60 tablets in 2 blisters. The drug has the effect of preventing angina attacks, treating dizziness, tinnitus and used in ophthalmology when there is retinal damage. So what is the use of Vatalizel 20, how to use the drug most effectively?