Metabolic
Biomarker

RDW

Included in Blueprint
Why we test it
Red cell distribution width measures variation in red blood cell size. Elevated RDW is associated with increased inflammation, oxidative stress, and has been linked to cognitive decline and dementia risk in large population studies.
BetterBrain target
< 13%
Elevated RDW has been linked to cognitive decline and dementia risk in large population studies.
What you Can do
  1. Mediterranean diet
  2. Omega-3 (fish oil)
  3. Vitamin B12
  4. Folate (methylated)
  5. Iron balance

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