Lots of people take vitamin supplements.
Vitamin tablets have all kinds of vitamins and minerals in them.
Multi-vitamins have lots of vitamins in them, like vitamins A, and B6, and vitamin B12, and vitamin E.
Leaf lettuce is a source of vitamin K.
Lots of folks take daily vitamin supplements, as well as pain relievers,
and prescription medication for various acute and chronic ailments.
Most of these medications are in convenient capsule or tablet form.