as my daughter is trying the Natural Way on her children, after an experience like yours with
Ritalin and Adderall.They also say Nutrition counts
and cutting out all additives where you can,try eliminating all allergenic foods like Wheat, Dairy for a month then add back nutritious choices,Protein Rich foods support allertness and concentration, fish, chicken Tofu ,eggs, however leave the more relaxing carbohydrates ,fruits and Veg till the dinner time or an evening snack.