Zinc methionine sulfate, CAS Reg. No. 56329-42-1, may be safely used in accordance with the following prescribed conditions:
    
    
        
        (a) 
         The additive is the product of the reaction between equimolar amounts of zinc sulfate and DL-methionine in purified water.
     
    
        
        (b) 
         The additive meets the following specifications:
 
     
    
    
        
        (c) 
         The additive is used in tablet form as a source of dietary zinc.
     
    
        
            Code of Federal Regulations
        
        [46 FR 58297, Dec. 1, 1981]