US$ 27.57
ebay.uk b12 injections Methylcobalamin B12 Injection 1500mcg Methylcobalamin B12 Injection Bundle -
Description
IV doses are 1000-2000 mcg

In: StatPearls [Internet]
Some of these risks and side effects are redness, bruising, stinging, and tenderness at the injection site

The symptoms more likely reflect medication intolerance requiring dose adjustment and supportive care rather than vitamin supplementation
