A 3 Musketeers Bar does not have nuts. But it may be processed on equipment that comes in contact with nuts, and it contains a warning on the label to that effect.

Are 3 Musketeers safe for peanut allergies?

Children with milk allergies cannot eat most types of chocolate, while those who are allergic to peanuts must steer clear of candy bars that contain the nuts. Kids with egg allergies need to avoid nougats in candy bars such as Milky Way or Three Musketeers. Even chewy SweeTARTS and Laffy Taffy candies have egg in them.

Does 3 Musketeers have nuts in it?

Ingredients: Milk chocolate (sugar, chocolate, cocoa butter, skim milk, lactose, milk fat, soy lecithin), sugar, corn syrup, hydrogenated palm kernel oil and/or palm oil, less than 2% - cocoa powder process with alkali, salt, egg whites, artificial and natural flavors. May contain peanuts.