In people with PA and no concerning features, treatment with high-dose oral B12 or injection B12 are both reasonable options.

Vitamin B12 does also accumulate in a few plant-based sources, including some mushrooms, seaweed, and nutritional yeast, but ...

I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the ...