https://pubmed.ncbi.nlm.nih.gov/20088746/
Our experience and the present analysis support the use of oral cobalamin therapy in clinical practice.
efficacyoralcobalaminvitamintherapy
https://www.petmd.com/blogs/nutritionnuggets/cat/dr-coates/2016/march/cobalamin-supplements-when-do-cats-need-them-33728
Does your cat have a chronic gastrointestinal problem? Has the response to treatment been less than optimal? If your answer to either (or both) of these...
cobalamincatsdigestiveissuessupplements