what needle to inject b12 How self-inject intramuscular vitamin - Overview Needle Size for a B12
Description
Thats why youll often see U-100 printed clearly on both the insulin vial and the syringe package

Methylcobalamin is a special form of vitamin B12

If they are, follow the instructions on the side of the pen to use it
And the units determine whether you are getting 2.5 mg or accidentally injecting 7.5 mg
For people with B12 deficiency: Yes, indirectly
