With natural whole foods that contain all the elements to work effectively in the body, your bird doesn't need a high potency. Nutrients in foods are combined by nature in a way that man cannot duplicate. Enzymes in the body break down the excess of synthetic vitamins the body cannot use, so this excess is not only useless, but also potentially harmful to the body as the body's enzyme resources becomes overworked as well as the body's elimination organs - kidneys, liver, etc. A. Plants use inorganic minerals to produce organic minerals. We find organic minerals in the foods we serve our birds, such as fruits and vegetables.
Inorganic minerals come from rocks.
The most popular form of calcium is calcium carbonate from bone, eggshell, and limestone. It contains a high level of calcium and is cheap. However, this form of calcium is not the most effective because its absorption rate is low. Calcium that is used in the body in the blood is calcium bicarbonate. There are nearly a dozen processes that occur to turn calcium carbonate into calcium bicarbonate.