Cultured sour cream
Sour cream must contain at least 18% milk fat by weight to carry this designation.
This version of sour cream is made from half-and-half.
Low-fat and light sour cream
These sour cream versions are made from half-and-half and milk.
This is a designation for fat-free sour cream, which is typically made from skim milk.
Nonfat (or fat-free) sour cream
This variety is often labeled "sour cream alternative."
Cholesterol-free sour cream alternative
This product is made with skim milk and vegetable oil.