Before taking a B12 shot, tell your doctor if you: Are allergic to B12, cobalt or any multivitamin combinations Have vision issues or Lebers disease (a genetic condition that causes vision loss) Have any infections Have been diagnosed with folic acid deficiency or iron deficiency Are pregnant, breastfeeding, or planning to get pregnant Are taking any supplements, including herbal supplements Are taking any medications, such as folic acid, methotrexate, chloramphenicol, colchicine, para-aminosalicylic acid (PAS), or pyrimethamine Have liver or kidney disease Have a drinking problem RxList

If you notice any of the following, you may be deficient in vitamin B12: Pale or jaundiced skin Weakness and fatigue Nerve damage that feels like pins and needles Changes in balance, coordination and the way you walk A swollen tongue and mouth sores Shortness of breath and dizziness Blurred vision Brain disorder like depression and dementia High body temperature Signs That a B12 Injection Could Be Right for You There are many people who can improve their health and well-being with vitamin B12 injections, especially under the following circumstances
Clear water turning milky or hazy points to microbial growth or a compatibility problem
CMap analysis has identified over 4,048 genes modulated by this compound
Enhanced Brain Function : Vitamin B12 promotes thinking, memory, and concentration, thus creating mental clarity
If you calculated 20mg/mL and you're targeting 5mg per dose, 0.25mL should sit exactly at the 25-unit mark on a U-100 insulin syringe