A slew of companies and restaurants are altering their product recipes to eliminate possible threatening chemical ingredients, due to scrutiny from concerned health consumers and activists. Within the past month, restaurants like Chik-Fil-A and Subway and companies like Kraft are eliminating artificial preservatives and growth hormones. Kraft is removing sorbic acid from their popular Single cheese slices. It will affect only the full-fat American and White Cheese varieties. It will be replaced with natamycin, which the company uses as a natural mold inhibitor. Subway removed chemical additive azodicarbonamide from their bread recipe recently, sparked by a petition from a health activist. That same chemical is used in yoga mats and is also sold in food products at McDonalds and Starbucks. And Chik-Fil-A has announced it plans to serve chicken raised without antibiotics within the next five years due to the concerned use of antibiotics to unnaturally enhance the growth of animals. Although all ingredients are approved by the Food and Drug Administration, companies may be able to use the changes as a selling point to consumers.