- You cannot add "M&M's Peanut Butter (46.2 g)" to the cart because the product is out of stock.
M&M’s are the flagship product of the Mars Wrigley Confectionery division of Mars, Incorporated. The candy originated in the United States in 1941, and M&M’s have been sold in over 100 countries since 2003. They are produced in different colors, some of which have changed over the years.