M&S Food is not made with genetically modified ingredients nor the use of nanotechnology. Integrity is at the heart of our business and having closely monitored non-GM certified raw materials entering our animal feed supply chains it became apparent that maintaining a non-GM animal feed policy was becoming increasingly difficult, due to complexities of segregation through the shipping process. As a result, and to ensure our customers were never misled, we changed our requirement in April 2013 to no longer stipulate non-GM animal feeds.