multivitamin
US /ˌmʌl.tiˈvaɪ.t̬ə.mɪn/
UK /ˌmʌl.tiˈvaɪ.t̬ə.mɪn/

1.
a tablet or capsule containing several vitamins and often other nutrients, used to supplement a diet
:
•
She takes a multivitamin every morning to ensure she gets all essential nutrients.
•
My doctor recommended I start taking a daily multivitamin.