In fact, theres a high prevalence of low serum vitamin B12 among vegetarians, in particular vegans, where prevalence ranges at levels between 43% and 88%.6 Going back as far as 1955, studies have shown that vegans have experienced vitamin B12 deficiency.7 In addition, B12 crosses the placenta during pregnancy and is present in breast milkthus, if the mother doesnt receive adequate B12 intake, infants may suffer from B12 deficiency, which can lead to severe, permanent neurological damage.4 Norris says the story doesnt end there
Leaving Out Documentation Claims without physician orders or missing injection details (like route or dosage) are red flags for payers
No human clinical trials have completed as of 2026
Here's how to protect yourself and what to do if something goes wrong: Add Shipping Protection Plus at checkout if your package is lost or stolen after being marked delivered, this covers a replacement or refund
Does Medicare Advantage Cover B12 Injections