Vitamin B12 deficiency can cause fatigue, memory and cognitive loss, myalgias(leg and back pain), poor digestion, mood changes, hair loss, weight gain due to poor metabolism
That said, even with triple the vitamin B12 intake, pregnant mothers serum vitamin B12 dipped into the low-to-mid range of normal in this study
Another example of improper practice would be an infraclavicular block performed for a carpectomy where the patient is maintained intraoperatively on a propofol infusion with nasal cannula O2 and the anesthetic is charted as monitored anesthesia care with block for postoperative pain
B12 works with folate to repair DNA strands, ensuring proper cell development and preventing mutations
Most see results in 36 weeks with proper protocol