Concentrations in food is used by the human intake model. Food are separated into the following categories:

• Fish - Bass, Perch, Salmon etc. Given by the Fish model
• Fruits - Apple, Peach etc. grown locally. Given by the Fruit tree model
• Grain - Wheat, Rye etc. Given by the Grain model
• Leafy vegetables - Given by the Leaf model
• Tubers - Potato, etc. Given by the Tubers model
• Roots - Carrots etc. Given by the Root model.
• External food - any type of food which is not modelled by the software.