[81] [111] Biochemistry [edit] Coenzyme function [edit] Vitamin B 12 functions as a coenzyme, meaning that its presence is required in some enzyme-catalyzed reactions
In limited data it's generally reported as well-tolerated, but human safety data is still limited and long-term effects aren't fully characterized
Allergic reactions , whilst rare, can occur and range from mild skin reactions to severe anaphylaxis
If your cat suffers from chronic digestive or gastrointestinal problems, oral B12 supplements are unlikely to help
If your body cannot absorb vitamin B12 effectively, the doctor will recommend B12 shots to increase your levels
Pregnancy and Breastfeeding : If you are pregnant or breastfeeding, consult your healthcare provider before using Vitamin B12 injections