Ask most veterinarians if your pet needs a multivitamin supplement, and you’re apt to get the standard response:  a “balanced diet” should be sufficient, and extra vitamins and minerals may even be harmful. It’s what they’re taught in veterinary school.  Pet food companies play a major role in what veterinary students learn, and these companies would like us to believe that they’re providing an adequate diet for today’s pets, and that anything you might do, from feeding table scraps to giving them un-prescribed supplements is endangering your pet’s health. Nothing could be farther from the truth. Although some are better than others, commercial pet foods are not adequate to support the health of your cat or dog. Like other processed foods, they’re nutritionally deficient and contain toxins. Vitamins and minerals are added in minimal amounts and in cheap forms that are ineffective at best and detrimental to health at worst. An optimal pet diet would be fresh, organic…