Tiaminal B12 shots might help some patients more
Two types of medications for ulcers and gastric reflux proton-pump inhibitors, such as omeprazole (Prilosec) and lansoprazole (Prevacid), and H2 blockers like cimetidine (Tagamet), famotidine (Pepcid), and ranitidine (Zantac) inhibit the release of stomach acid necessary to free dietary vitamin B12
First, vitamin B12 supplementation cannot stop hair loss and hair thinning from happening
Common examples include fatigue or low energy with normal blood results, brain fog or reduced concentration without confirmed vitamin B12 deficiency, stress-related exhaustion or burnout, increased metabolic demand such as during illness recovery, high workload, or intense training, restrictive or inconsistent dietary intake, or suspected poor oral absorption despite normal serum levels
With a non existent B12 I am not surprised you feel so awful its going to take time to heal
Neural tube defects include conditions such as anencephaly and spina bifida, which are usually fatal birth defects that happen when the baby's neural tube doesn't properly close