Metabolic
Biomarker

MCV

Included in Blueprint
Why we test it
Mean corpuscular volume measures the size of your red blood cells. Abnormal MCV can indicate B12 deficiency, folate deficiency, or iron deficiency, all of which have direct implications for brain health and cognitive function.
BetterBrain target
82-92 fL
Abnormal MCV can indicate B12, folate, or iron deficiency — all with direct brain health implications.
What you Can do
  1. Methylated B12 supplementation
  2. Folate (methylated)
  3. Iron-rich foods

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