I am simply not able to keep a check on what kind of foods should I give my 4 years old kid to eat, and what I should avoid giving them, as at times the nutritional information mentioned on the foods packets confuses me? A friend advised me to check for five food groups, as it tells about the nutritional value of foods that we eat. I assume it would be therefore useful to me, as I would be then able to keep a track of nutrients consumed by my child in a day. I would really like to know if five food groups system is available online free of cost? Thanks.