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Vitamin B12 is a powerhouse nutrient crucial for several bodily functions, including energy metabolism, nerve function, and red blood cell formation

This correction is important because of the relatively small volumes of distribution of these water-soluble drugs

Other Digestive enzyme supplements: If your dogs B12 deficiency is due to a digestive issue like EPI (see above section, What can cause B12 deficiency in dogs?), then adding a digestive enzyme supplement can help them break down food better and may improve the absorption of B12 and other nutrients

People with Crohns disease or celiac disease might not absorb B12 well