how to take b12 injections self-inject intramuscular vitamin - Overview How to Give a B12

For example, vitamin B12 injections may lead to skin changes, such as acne and dermatitis (rash)

Gimm, T

In addition, injections are fast-acting, so you may begin to notice their effects almost immediately

Two primary tests measure the amount of B12 in blood (low in B12 deficiency): Total B12 test: measures total amount of B12 Active B12 test: measures amount of B12 that is available to the cells Two secondary tests measure function of B12 in the cell (raised in B12 deficiency): MMA: measures function of B12 in the mitochondria Homocysteine: measures function of B12 for methylation How does Vitamin B12 deficiency get diagnosed

It depends on your lifestyle, diet, stress levels, and symptoms