how do you give a b12 injection to Yourself Shot Ivy Grove Surgery : Self-administration

But a small 2018 study found that taking higher dosage oral supplements (1,000 to 2,000 mcg) improves B12 levels about as effectively as injections

Whilst this route is essential for treating pernicious anaemia and other malabsorption conditions, it can produce serum B12 levels far exceeding physiological requirements

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Vitamin B12 (also called cobalamin) is a water-soluble vitamin your body relies on to make energy, protect your nerves, and produce healthy blood cells