Several factors can impair B12 absorption: Reduced stomach acid production (achlorhydria or hypochlorhydria), common in older adults and those taking proton pump inhibitors or H2-receptor antagonists long-term, impairs the release of B12 from food proteins Pernicious anaemia , an autoimmune condition destroying parietal cells and reducing intrinsic factor production, completely blocks the primary absorption pathway Gastrointestinal disorders including Crohn's disease, coeliac disease, or surgical removal of stomach or ileum sections directly damage absorption sites Metformin , commonly prescribed for type 2 diabetes, may reduce B12 absorption through unclear mechanisms
Yes, in fact, vitamin B12 exists in four chemical forms that are very similar
Intramuscular Injection The B12 is injected into the muscle using a fine needle
When your body doesnt have enough vitamin B12, myelin is produced differently and your nervous system functions improperly
B12 Miami Physicians all received specialized training in nutritional science and fast weight loss
Your GP will determine the appropriate formulation (usually hydroxocobalamin 1mg/ml), dosing frequency, and whether home administration is suitable for your circumstances
