The product is obtained from the hydrolyzed protein. containing free amino acids above 25%, 100% water soluble. it contains plants medium elements / micro elements (including Fe,Cu,B,Zn,Mn and so on) as amino acid chelated form. Meanwhile, trace elements could be modified into other kinds of medium elements ( Ca, Mg, S) , Micro elements( Fe,Cu,B,Zn,Mn, Mo) or other necessary elements(Si, Se, etc.)