Buttermilk vs. Milk: What's the Difference?
Main DifferenceThe main difference between Buttermilk and Milk is that the Buttermilk is a dairy drink and Milk is a white liquid produced by the mammary glands of mammals
Buttermilk
Buttermilk is a fermented dairy drink. Traditionally, it was the liquid left behind after churning butter out of cultured cream; most modern buttermilk is cultured, however. It is common in warm climates (including the Balkans, South Asia, the Middle East and the Southern United States) where unrefrigerated fresh milk sours quickly.