Whilst injections bypass gut absorption, conditions like active Crohn's disease or coeliac disease may cause increased metabolic demands that could influence how quickly B12 is utilised
30 mL multi-dose sterile solution
[6] [7] Common neurological presentations include: Peripheral neuropathy tingling, numbness, or pins-and-needles sensations (paraesthesia), typically beginning in the feet and hands in a symmetrical 'glove and stocking' distribution Gait disturbances unsteadiness, difficulty walking, or loss of balance due to proprioceptive impairment Cognitive changes memory problems, confusion, difficulty concentrating, or 'brain fog' Mood alterations depression, irritability, or personality changes Weakness muscle weakness or fatigue affecting daily activities Visual disturbances rarely, optic neuropathy causing blurred or reduced vision In more severe cases, patients may develop subacute combined degeneration of the spinal cord , a serious condition affecting the posterior and lateral columns
Most patients find it easiest to pinch a bit of skin & fat between their fingers
Photo by Fred Moon on Unsplash
Both forms can correct vitamin B12 deficiency, though some healthcare providers prefer methylcobalamin for neurological support