why does my arm hurt after b12 injection Shots at Home: How, Where & How Often to Inject Yourself why does my arm hurt

The studies were done on rodents, the b12 isnt available in the kidneys for very long, weeks, not months it seems.and whether humans with b12 deficiency because of a broken system can access this b12 we wont know without further research

Subcutaneous KLOW does not reach the gut surface

Other health factors

This nutrient requires hydrochloric acid and intrinsic factors produced in the stomach lining to be properly absorbed, and alcohol is known to reduce the concentration of both of these digestive compounds

This is the most concentrated option and produces the smallest injection volumes

Calcium gluconate is administered to correct transfusion-associated hypocalcemia in trauma and surgical settings