10. Store-bought Biscuits and Crackers
There are a lot biscuits and crackers that are enriched with casein, especially those that use whole milk. Some brands have casein in them, while others don’t, so it would be best to read the labels. In addition to biscuits and crackers, there are some store-bought cookies that also contain casein.
Bottom Line
Casein can be found in most dairy products. There are also non-obvious sources such as biscuits, crackers, tuna, and cream-based soups. It is effective in improving muscle retention and can help a person shed off unwanted fats. However, it can also cause severe allergies for people who are sensitive to casein and whey.