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For those without an absorption problem, research suggests that high-dose oral B12 supplements can be as effective as injections in raising and maintaining B12 levels
Which 4 body areas work best for a subcutaneous B12 injection
Biotin strengthens keratin, the protein that makes up our hair, skin and nails
Conflict of interest KR is employed by CureSupport
Article history: Received 27 September 2021
Some patients feel better for several weeks, while others experience improvements for months
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