b12 injection wikipedia Injections at Olympia Cyanocobalamin is a form of vitamin B12 Vitamin B12 - wikidoc
Description
Protein-energy malnutrition, zinc deficiency, and pellagra can also cause hyperpigmentation [8]

After receiving an injection, typically the Lipo B12 remains in the body for a few days
Hamel J

In addition to the cost of the injections themselves, there may be fees for the administration of the shot, especially if done at a healthcare facility

The mechanism involves complementary pathways