Concentrations of calcium, phosphorus, and vitamin D in human foods are not different among 4 food databases.

Concentrations of calcium, phosphorus, and vitamin D in similar foods were compared over 4 international food databases and results demonstrated no differences (P > 0.05) among the values from the databases. Therefore, the use of different food databases for homemade dog and cat diet formulation should not affect the final diet nutrient density prediction for these key nutrients.