- 1). Add a liquid vitamin D supplement for dogs. If you are averse to supplementation, increase your dog's exposure to sunlight as an alternative. This is a simple and natural way to ensure that his vitamin D levels rise.
- 2). Add cod liver oil to each of your pet's meals. This will add vitamins A, D and E to his diet.
- 3). Consult your veterinarian to see if further treatments are necessary. He may be able to prescribe a specific vitamin and dietary regimen for your dog to help meet his medical needs.