Doctors check what causes low B12 before starting treatment
Feeling sluggish and lacking energy
Clinical Evidence for Targeting NAD Therapeutically
Here is the plain-English version
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 Health News Agencies In New York And Beyond Pass The Buck On Opioid Cash Oversight How Does ADHD Affect Athletes' Concussion Risk
[1] [3] If left untreated, some of these changes can become permanent