Can you eat processed cheese when you are breast feeding?
Yes
It's safe to eat whilst you're breast feeding, though it can affect you it is unlikely to affect your baby.
Processed cheese, process cheese, cheese slice, prepared cheese, cheese singles or cheese food is a food product made from normal cheese and sometimes other unfermented dairy ingredients, plus emulsifiers, extra salt, food colorings, or whey. Many flavors, colors, and textures of processed cheese exist.
In the United States, the most recognizable variety of processed cheese is sold under the name American cheese, although this name also has other meanings. American cheese is processed and usually bought sliced at a grocery store. The name American cheese also has a legal definition as a type of pasteurized processed cheese under the U.S. Code of Federal Regulations.
Cheese consists of proteins and fat from milk, usually the milk of cows, buffalo, goats, or sheep. It is produced by coagulation of the milk protein casein. Typically, the milk is acidified and addition of the enzyme rennet causes coagulation. The solids are separated and pressed into final form. Some cheeses have molds on the rind or throughout. Most cheeses melt at cooking temperature.