Vitamin B12 injections can contain cobalt, which can also cause an allergic reaction. Don’t take vitamin B12 supplements if you have sensitivities or allergies to vitamin B12, cobalt ...

Administered through an injection into a muscle, vitamin B12 shots contain a synthetic version of B12, otherwise known as cyanocobalamin. Although even high dosages of vitamin B12 carry no risk of ...

However, when considering shots, you'll want to consider a few things. One, they'll be more expensive than vitamin B12 supplements. They can also cause side effects, such as skin rashes, headaches, ...

MultiBoost with B12 has been specifically developed to support metabolic function in beef and dairy cattle during ...