b12 injections not lasting 3 months Vitamin in Fort Lauderdale Comment “b12” to get free

Subcutaneous injection depth targets the fat layer under skin but above muscle

If the underlying disease process has resolved and cobalamin body stores have been replenished, serum cobalamin concentration should be supranormal [higher than normal] at the time of reevaluation

Some patients report a mild headache or a feeling of lightheadedness after an IM injection

However, this is a theoretical conclusion, and no scientific evidence exists to back this claim

Bioorg Med Chem Lett 28:26822687

theoretical risks include increased hypoglycaemia, unpredictable cardiovascular effects, and compounded uncertainty from two incompletely characterised compounds