antiatherogenic

adjective

an·​ti·​ath·​ero·​gen·​ic -ˌath-ə-rō-ˈjen-ik 

variants or anti-atherogenic

: preventing or inhibiting atherogenesis

antiatherogenic effects

There also was no clear evidence that beta carotene inhibits the oxidation of low-density lipoproteins, the principal proposed mechanism of its postulated antiatherogenic properties.

—E. Robert Greenberg and Michael B. Sporn, The New England Journal of Medicine