If nothing explains it, a sensible next round usually includes a repeat B12 to confirm the finding is not a one-off, a full blood count, and liver enzymes such as ALT and AST
Many people will also experience cognitive difficulties such as problems with vision, memory, thinking, or reasoning, the development of mental illnesses such as depression, or general changes in behavior
Solutions: Rotate injection sites more frequently Use new needle every time Clean site thoroughly with alcohol Let alcohol dry before injecting If persistent, reduce dose or switch to oral Usually harmless: Minor reactions common Should resolve within hours to days Not dangerous unless signs of infection (warmth, spreading redness, fever) No results after 4 weeks Problem: Not seeing expected healing or improvements
Vitamin B12 Deficiency Symptoms Before exploring the best Vitamin B12 injections, it's important to recognize the symptoms of vitamin B12 deficiency
What to avoid Do not use bacteriostatic water that: Has no expiration date or lot number Comes in non-medical packaging Is significantly cheaper than pharmacy-grade options Shows any cloudiness, discoloration, or particulate matter Has a damaged seal or compromised packaging Counterfeit or substandard bacteriostatic water is a real concern
Common causes include: injecting air into the vial during mixing, shaking instead of gently swirling, or using non-sterile bacteriostatic water