Any doubts you may have should be addressed by a professional
You could just get B12 alone and see how you react to that
Documentation will be required to order beyond the starting dose
Vitamin B6 is required for tryptophan metabolism, and with insufficient amounts, xanthurenic acid accumulates
Side effects of B12 injections are generally rare and mild
Essential preparation steps include: Hand hygiene wash hands thoroughly with soap and water or use alcohol-based hand sanitiser Gather supplies B12 ampoule, sterile syringe and needle, alcohol wipes, sharps container, and cotton wool or gauze Check the medication verify the correct drug, strength, and expiry date