Everywhere you turn nowadays, people are harping on about B12 injections. It's obvious why, though: they are especially good in the autumn winter months when many of us look and feel a bit Is the bright red color of B12 injections natural? The Truth About B12 Injections: Benefits, Cost & How They Work 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