<Tr> <Th> Markets </Th> <Td> Global </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.icantbelieveitsnotbutter.com </Td> </Tr> <P> I Can't Believe It's Not Butter! is a spread brand produced by Upfield . </P> <P> The J.H. Filbert company, based in Baltimore, Maryland, developed the product in 1979 as a low - cost alternative to butter for the food service industry . The name originated from a comment by the husband of a company secretary as he sampled the product, and it was first marketed to retail consumers in 1981 . The company was acquired by Unilever in 1986 . Unilever expanded sales of the product, previously only available primarily in the Washington, DC / Baltimore area, throughout the entire United States in 1988, and later to the United Kingdom, Canada and Mexico in 1991 . The product was put on the market in Germany in 2011 and in Chile in 2012 . </P>

Who makes i can't believe it's not butter