Question: what is the difference between skim milk and regular milk?
Answer: The Difference Between Whole and Skim Milk. Skim milk is whole milk from dairy cows that has had most of or all of its fat removed. In the past, this was done by letting the milk settle, and then “skimming” the fat off of the top. ... Whole milk contains around 147 calories a serving, whereas skim milk contains 91 calories ...