vitamin b12 injections good or bad healthline vs Pills: Richmond's Complete Guide Which B12 Form Is Best
Description
In the U.S., injectable B12 (cyanocobalamin and hydroxocobalamin) is only available with a prescription, as regulated by the FDA

Vitamin B12 is primarily found in: Meats Seafood Dairy products Nutritional yeast Cobalamin is also found in products fortified with vitamin B12, such as breakfast cereals

This relatively short duration means its quickly cleared from the bloodstream, which is important for research dosing considerations

Blood cells sticking together is what leads to a blood clot which can cause a stroke.

Its methyl it stings
