BACKGROUND AND OBJECTIVE: Deposition of cholesterol in the arteries is the one of the main causes of cardiovascular disease. Lovastatin is a blood cholesterol-lowering drug that inhibits 3-Hydroxy 3-methyl glutaryl-CoA reductase (HMG-CoA reductase) enzyme. The aim of this study was to evaluate the effective factors for lovastatin production by Aspergillus terreus ATCC 20542. https://megavitamines.shop/product-category/b-2/