Buttermilk is good for you. When in Scandinavia, we drink it at breakfast-time, as is customary.
If your grocer has stopped carrying buttermilk, insist that he stock it. Alternatively, you may use powdered buttermilk, which is found in the baking section of most food markets.
Why buttermilk? It is not only tasty, but acts as a leavener in pancakes and biscuits. It is said to be good for the gastrointestinal system, and for the skin. Granted, buttermilk is an acquired taste, not popular with many children. I didn’t care for the idea of it until I was an adult. But, if one likes the taste of yogurt, buttermilk ought to appeal.
When baking buttermilk biscuits according to my recipe, which is linked above, I sometimes fold the dough over some shredded Cheddar cheese. These cheese biscuits, shown in the foreground of my photo, are popular at drinks parties.