where to inject b12 in thigh Treating Severe Vitamin Deficiency How to Give a B12

Injections should be no closer than an inch from each other

Spreading redness, fever, lasting numbness or weakness are not normal and need medical attention

We actually prefer SQ because its painless and has an established track record of effective B12 delivery, whereas IM can be painful and tends to put people off self-injecting

Insert needle at a 90-degree right angle

You may find certain places easier to reach and less sensitive than others

You may have health issues that interfere with your bodys ability to absorb the nutrient, you might not be getting enough in your diet, or you could be taking drugs that lower the levels of B12 in your body