This article about margarine doesn’t say that, and contradicts that. I’ve seen videos that agree it was originally made for humans.
After the French Emperor Napoleon III issued a challenge to create a butter-substitute from beef tallow for the armed forces and lower classes, Hippolyte Mège-Mouriès invented margarine in 1869.
This article about margarine doesn’t say that, and contradicts that. I’ve seen videos that agree it was originally made for humans.