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what happens if b12 is injected into a vein Vitamin B-12 Injections Vitamin B12 Injections: Benefits, Risks,
Description
Most antibiotics, methotrexate, and primethamine may invalidate folic acid and cyanocobalamin values in blood tests

The full benefits develop over 24-48 hours as your body utilizes the B12 for energy production and cellular processes
Protection Against Cellular Damage As an antioxidant, it shields your cells from oxidative damage and supports overall cellular health, which is crucial for maintaining vitality and well-being

He diagnosed her with PA (she has coeliac disease so it was clear to him why she wouldnt absorb B12 orally) and a severe iron deficiency

Why Do B12 Deficiencies Happen
