Cost and Accessibility Concerns The financial burden of B12 injections can be significant, especially when multiple doses are required
Oral Administration Subcutaneous (SubQ) Injection Injected just under the skin, typically near the site of injury Best for targeted healing of tendons, ligaments, joints, and muscles Fast absorption and high local bioavailability Injection sites : Shoulder issues : Lateral deltoid, upper bicep Knee or patella tendonitis : Around the lower thigh or above kneecap Ankle or Achilles pain : Outer calf or above heel Elbow or wrist pain : Forearm or triceps area How to inject SubQ : Use an insulin syringe (2931G, inch) Pinch skin, insert needle at a 4590 angle Inject slowly, rotate injection sites daily Inject 12 inches away from direct injury to avoid tissue trauma Intramuscular (IM) Injection Less common, but can be used when injecting deeper tissues or larger muscles Administer into lateral deltoid, glutes, or vastus lateralis May increase discomfort

Expert Opinion Management Approach Treatment decisions should typically be made after shared decision-making, with the patient informed of the risks, potential benefits, and alternatives
From the digestive system, an increase in acidity, nausea, vomiting, diarrhea, and abdominal pain can be observed
Chang KH, Chen CM (2020) The role of oxidative stress in Parkinsons disease