The first injection on the new compound may produce mild differences in side effect profile because of vehicle differences between manufacturers, but these typically settle within 1 to 2 weeks
as a water-soluble vitamin, your body will simply excrete any excess
This includes confirmed low serum vitamin B12 levels, pernicious anaemia, malabsorption states such as coeliac disease, inflammatory bowel disease, or post-gastric or bariatric surgery, unexplained anaemia, neuropathy or neurological symptoms consistent with vitamin B12 deficiency, a long-term vegan diet with symptoms or low levels, or failure of oral vitamin B12 supplementation
See also : Does MTHFR affect the metabolism of all B vitamins
While this falls outside standard protocols, it may work for people extremely sensitive to medication effects
The Significance of Cat B12 Injection in FIP Treatment: Vitamin B12, also known as cobalamin, plays a vital role in numerous physiological processes within a cat's body