does b12 injection cause diarrhea in cats for Vitamin B12 for Cats: Overview,
Description
B-vitamin status and bone mineral density and risk of lumbar osteoporosis in older females in the United States

To put this simply, it wears off - it does not last
For many others, high-dose oral B12 works just as well (NIH ODS

When prescribed for appropriate patients and monitored by a licensed medical provider, wellness treatments can be safe and effective

We recommend starting with Hydrodxycobalamin if this if your first time receiving an injection

In addition, B12 helps to release energy from our food and is vital in amino acid and fatty acid metabolism