reason for b12 injections in cats Life Threatening Anemia treated with Food Therapy and a 17 year old Feline Rx Vitamin B12 Injection 3000mcg/ml
Description
However, these conditions are rare 9

If they're guessing, you're gambling
That's the kind of long-game thinking that separates people who age well from those who don't and it's exactly the logic behind including B12 in Building Blocks at a dose designed for optimization, not just deficiency avoidance

Dietary deficiency of Vitamin B12 can result from poor diets or among strict vegetarians who choose not to consume any animal products