Opinion of the Scientific Panel on Additives and Products or Substances used in Animal Feed on a request from the Commission on the safety of the “Chelated forms of iron, copper, manganese and zinc with synthetic feed grade glycine”

The European Food Safety Authority (EFSA) received a request from the Commission to evaluate the safety of chelated forms of Fe, Cu, Mn and Zn with synthetic feed grade glycine to the target animals, the consumer, the user and the environment. FEEDAP Panel does not see any safety concerns arising from the use of glycine in chelates of trace elements provided the glycine meets food grade specifications. The Panel also considers that these preparations will not introduce additional safety concerns for consumers, users or the environment which are not already covered by the safety aspects of the individual constituents. As no specifications exist for glycine used for feed purposes, more information on the purity would be required where glycine does not comply with food grade specifications.