vitaminization

noun
vi·​ta·​min·​iza·​tion | \ ˌvīt-ə-mə-nə-ˈzā-shən How to pronounce vitaminization (audio) \
variants: also British vitaminisation \ ˌvit-​ə-​min-​ˌī-​ˈzā-​shən How to pronounce vitaminisation (audio) \

Medical Definition of vitaminization

: the action or process of vitaminizing