b12 injection period Shots at Home: How, Where & How Often to Inject Yourself Vitamin B12 Injections: Hot Shots?
Description
Providers may prescribe cyanocobalamin, a human-made form of B12

Neither is universally more potent
Concentration 5mg/ml Overview Methylcobalamin is an active form of Vitamin B12

(PubMed) Dangour AD, Allen E, Clarke R, et al

Vitamin D enhances B12 benefits for holistic wellness
