b12 injection how quickly does it work a Shot Work? What to Expect Best Vitamin B12 Injection Sites

History [edit] Descriptions of deficiency effects [edit] Between 1849 and 1887, Thomas Addison described a case of pernicious anemia, William Osler and William Gardner first described a case of neuropathy, Hayem described large red cells in the peripheral blood in this condition, which he called "giant blood corpuscles" (now called macrocytes), Paul Ehrlich identified megaloblasts in the bone marrow, and Ludwig Lichtheim described a case of myelopathy

A professional consultation is the best way to determine whether B12 injections make sense for you

While its great to understand the basics, the most effective and safest approach is always a personalized one

The short answer: the ideal needle size for a B12 injection depends on the injection method