can a cat overdose on b12 injections for Kittens — Kitten Lady Vitamin B12 Deficiency in Cats:
Description
Genome Res (2002) 12(6):9961006
Q: Is it safe
It tends to decrease with subsequent injections at the same dose as your body adapts

Most users notice improved energy within days

Stability: Supplied as a co-lyophilized salt to ensure long-term stability and prevent hydrolytic degradation of the peptide and coenzyme structures during storage