What is in McDonald's milkshake?

milkfat and nonfat milk, sugar, sweet whey, high-fructose corn syrup, guar gum, monoglycerides and diglycerides, cellulose gum, sodium phosphate, carrageenan, citric acid, E129 and artificial flavor .....and in the artificial flavor there is 9 other chemicals. ......another funny thing, carrageenan is another Word for seaweed