Useful, but sometimes tedious to key in food eaten. Also, I dont think it calculates interaction of food. As an example, if you eat a pound of beef you get lots of vitamin B. but if you drink a gallon of wine with it, the alcohol does something to your liver which inhibits the absorption of vitamins.
72dougw72 about Nutrition Journal for iPhone - vitamin and mineral diet calculator & nutrient tracker, v1.13