Fortunately, B12 supplementation can help to improve these symptoms, with improvement typically seen within days to weeks
Am Fam Physician 83 Langan RC, Goodbred AJ (2017) Vitamin B12 deficiency: recognition and management
I know I was harsh in my opening paragraph about not doing dose titration but the drug does work
Han J, Zhan L, Huang Y, Guo S, Zhou X, Kapilevich L, et al
Important Research Notice Not for human consumption
Why Your Body's Processing Efficiency Matters So Much Your cells are constantly juggling multiple jobs: making energy, maintaining their protective barriers, communicating with neighboring cells, and dealing with whatever environmental challenges come their way