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Injection frequency depends on the underlying cause and severity of deficiency
We send you a kit to collect a small finger-prick blood sample from the comfort of your own home
Here are some foods that are a good source of vitamin B12: Dairy and (some) nondairy brands are fortified with vitamin B12
Why Frequency Matters: The Science of B12 To understand why a provider might recommend weekly injections for a while, it helps to understand Vitamin B12 itself
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