diagnosis for b12 injections Best Vitamin Injection Sites: Where to Inject B12 · PA Relief Discover the Life-Giving Power of
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44 Additionally, in patients who are already taking some form of oral B 12 supplementation, demonstrating B 12 deficiency can be a challenge, even when symptoms are typical (including those of neuropathy-like paraesthesia and numbness) as serum B 12 concentrations may be just within, or sometimes above, the normal range
PMID 25828519

Vitamin B12 is important for producing RBCs and supporting the nervous system
