The point that a possible cause of digestive enzyme deficiencies, could be vitamin D deficiency. (nutritionfacts.org)
We tested her for a pancreatic enzyme deficiency because some dogs are missing enzymes which prevents their bodies ability to absorb the nutrients in their food. (poodleandpoochrescue.org)
Dogs suffering from enzyme deficiency are often deficient in this nutrient. (dogsnaturallymagazine.com)