Examples of important vitamin and mineral requirements in this regard include vitamin C, vitamin E and selenium, vitamin A, copper and vitamin B - 12. (kerryblues.org)
With this food comes a different mineral requirement required to keep each dog in top form. (usbones.com)
Limited evidence exists for the recommendations of dietary mineral requirements for cats in 2006 NRC Nutrient Requirements for Adult Cats (Maintenance) a and 2006 NRC Nutrient Requirements for Kittens After Weaning a; many are based on the mineral content of successfully fed diets. (merckvetmanual.com)