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A physician investigating unexplained hypercobalaminemia will typically order some combination of the following: Complete blood count (CBC) with differential to check for abnormal red blood cell, white blood cell, or platelet counts Liver function tests (ALT, AST, ALP, bilirubin, albumin) to assess liver health Kidney function tests (creatinine, BUN, estimated GFR) to evaluate renal clearance Peripheral blood smear if a myeloproliferative disorder is suspected Abdominal imaging (ultrasound or CT) if liver or abdominal pathology is a concern Cancer-specific markers or screenings if clinical suspicion warrants them The NIH Office of Dietary Supplements fact sheet notes that observational data from a Danish registry analysis of 757,185 people found the adjusted 1-year cancer risk was 1.74 to 4.72 times higher among those with B12 above 813 pg/mL compared to those in the normal range of 203 to 813 pg/mL
For information about supplements that may help with other forms of nerve pain, see our answer to the question: Do any supplements, like Nervive, help with nerve pain, like sciatica or diabetic neuropathy
The dual mechanism was confirmed at the cellular level, and the fragment showed no cross-reactivity with the growth hormone receptor (Ng & Borstein, 2003)
The short answer is that most people with diabetes can, and there is a good clinical reason why the question comes up so often
Its stability in gastric environments and compatibility with diverse lab models (in vitro, ex vivo, in vivo) make it an indispensable research tool for exploring multi-tissue repair and vascular health mechanisms
