Vitamin B12 injections, now available at The Foot Health Practice 01226293693! Vitamin B12 deficiency is a growing problem in the UK, with 10% of people aged 75 and over affected. Vegetarians Ever wonder why B12 shots are red? Here's the scoop! B12 injections naturally have a deep red color due to the presence of the cobalt corrin complex, a key component of Fun Fact Friday! Ever wondered Why is my B12 injection red? All B12s are cobalamins they have a cobalt atom at the center of a special ring shaped molecule called B12 Shots: Amazing Benefits You Should Know About Solea Medical Spa