is injectable b12 considered a supplement legally The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine 000 mcg/mL of supplemental vitamin B Oral vs. Intramuscular Vitamin B12

Microcytic anaemia occurs when red blood cells are smaller than normal, while megaloblastic anaemia involves abnormally large red blood cells and is more commonly associated with vitamin B12 deficiency

Before receiving folic acid or methylcobalamin, patients should be assessed for deficiency and appropriate therapy started concurrently

Information for Patients Patients with pernicious anemia should be informed that they will require monthly injections of vitamin B12 for the remainder of their lives

It is the most bioavailable form of B12, and also the most active, working mostly in our brains, nervous system, and liver (Lindstrand, 1964)

If they do not, you may need a referral to a neurology specialist