The four stages of vitamin B12 deficiency

September 29, 2019September 1, 2022 MariaC cyanocobalamin, dementia, Depression, homocysteine, megaloblastic anemia, myelopathy, neuropathy, subacute combined degeneration, vitamin B12

Given up animal foods? How to ensure you don’t get to stage four. The damage could be irreversible.

If you recently switched to a 100% plant-based diet, you can relax for quite some time. The adult liver can store enough vitamin B12 to last 1–5 years. But after that, and without “careful planning”, your health could suffer serious and irreversible damage.

You often hear and read that a plant-based diet can be a healthy one, with enough careful planning. Unfortunately, further details of what that entails are not always forthcoming. So, in the interests of ensuring a carefully planned plant-based diet, I outline below the four stages of vitamin B12 deficiency — and how to make sure you don’t get to stage four.

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