b12 injection for cats side effects Cat Deficiency: more common than we think? — Our Pet's Health Vitamin B12 Deficiency in Cats:
Description
With our 4-shot package, most patients start with injections every 1-2 weeks to build up their B12 levels, then transition to monthly maintenance doses
These add relatively small amounts to the monthly total but should be factored into the overall budget

Without enough vitamin B12, you might get megaloblastic anemia
It fights tiredness, so staying active and keeping up with exercise becomes easier