lˈaɪk ˈʌðɚ stˈætɪnz, ɪɾ ɪz ɐn ɪnhˈɪbɪɾɚɹ ʌv ˌeɪtʃˌɛmdʒˈiːkˈoʊ ɐ ɹᵻdˈʌkteɪs, ðɪ ˈɛnzaɪm ðæt kˈæɾɐlˌaɪzᵻz ðə fˈɜːst stˈɛp ʌv kəlˈɛstɚɹˌɑːl sˈɪnθəsˌɪs.
Like other statins, it is an inhibitor of HMG-CoA reductase, the enzyme that catalyses the first step of cholesterol synthesis.