You can also watch the Food Inc documentary to understand better what I am talking about. See this post //www.curezone.org/forums/fm.asp?i=1609210#i
, it has links to the movie.
and post there. I am sure you will get some answers.
You can try to replace Sugar with unsulphured Blackstrap Molasses (BSM), as it is loaded with minerals. It has to be blackstrap and not the regular or "fancy" type of molasses. BSM is more concentrated in minerals and has a lot less Sugar than regular molasses.
Good luck, and bless are you to be concerned with your kids nutrition.