See exactly where the recipe stands, and what changes when you add something.
Every nutrient compared with NRC 2006 targets for your dog's life stage: what is adequate, what is low, what is close to a safe upper limit, and what we cannot check because a food has no data. Gaps are shown, never guessed.
Add an ingredient and the numbers move. Here, half a teaspoon of eggshell powder takes calcium from Deficient to Adequate and changes nothing else.