can you buy b12 injections over the counter in uk Do Need a Prescription for Injections? Vitamin B12 Injections for Pernicious

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Vitamin B12 injections are primarily used to: Treat or prevent vitamin B12 deficiency Manage pernicious anemia Support patients with malabsorption disorders Aid those with dietary restrictions, such as vegans or vegetarians Offset vitamin loss due to medications like metformin or proton pump inhibitors (PPIs)

doi: 10.1101/gad.1650608

Research on insulin users (who inject daily and provide the most extensive data on injection site complications) shows that medication absorption from lipohypertrophic tissue can be reduced by 25% or more

In contrast, cyanocobalamin, a synthetic form of B12, must be converted into Methylcobalamin or adenosylcobalamin in the body before it can be used