1 doctor weighed in:

Celiac. B12 serum high and increasing despite no vitamins (per doc). Muscles burn, legs weak, confused. 'functional' B12 defi possible? Doc stumped.

1 doctor weighed in
Dr. Sara Stein
Functional Medicine

In brief: MTHFR, iron, celiac

Could be a B12 metabolism error. Check mthfr dna and replace with methyl b12, pyridoxal-5-phosphate, l-methyl folate (folic acid).
Bloodwork is only testing Cyanocobalamin - inactive form which is accumulating apparently. Also check iron studies and zinc levels due to celiac, and add multi b since fortified wheat is out.

In brief: MTHFR, iron, celiac

Could be a B12 metabolism error. Check mthfr dna and replace with methyl b12, pyridoxal-5-phosphate, l-methyl folate (folic acid).
Bloodwork is only testing Cyanocobalamin - inactive form which is accumulating apparently. Also check iron studies and zinc levels due to celiac, and add multi b since fortified wheat is out.
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