These include: Pernicious Anemia: An autoimmune disease that stops the stomach from making a protein needed for B12 absorption
Grewal S, McKinlay S, Kapczinski F, Pfaffenseller B, Wollenhaupt-Aguiar B
Kelly recommends the right shot after listening to your symptoms and goals
Anticancer Res 39:237243 Zhang Y, Wang M, Li H, Zhang H, Shi Y, Wei F, Liu D, Liu K, Chen D (2012) Accumulation of nuclear and mitochondrial DNA damage in the frontal cortex cells of patients with HIV-associated neurocognitive disorders
A physician-supervised plan can help answer whether the medication is appropriate, which option fits the patients risk profile, what dose should be used, how quickly the dose should increase, what side effects should be expected, when the dose should be held or adjusted, how much protein the patient should eat, how muscle can be preserved, what labs should be tracked, and what long-term maintenance should look like