It is also important to consult with a healthcare provider before starting B12 shots, especially for those on medications that may interfere with B12 absorption or metabolism
Archived from the original on February 6, 2013
The most common side effect of B12 injections is discomfort at the injection site
Sale Price $9.99 ADD TO CART Larger Size - BD Insulin Syringes with PrecisionGlide needles Intramuscular (in the muscle) 25 gauge 1 inch needle 10 sterile needles / latex-free 3ml syringes come in one box Scale Alignment: It's easy to hold a BD syringe with the flanges or wings side to side with the scale markings facing you
When to seek medical advice: Persistent or worsening injection site reactions (increasing redness, warmth, or discharge suggesting infection) Severe or persistent headaches Chest pain or palpitations Unexplained muscle weakness or cramps New or worsening neurological symptoms despite treatment Unexpected bleeding or bruising For non-emergency concerns, contact your GP or NHS 111
Even the 12mg dose at 120 units is only slightly above a full syringe, manageable with either a 1.2mL syringe or a simple split into two injections