← Blood tests
RDW / MCV Ratio
Specialistalso —
What it isA calculated ratio that combines red cell size variability and average size into one number.
DoesHighlights subtle perturbations in red cell biology that neither marker captures alone.
GoodA low ratio signals smooth, uniform erythropoiesis.
BadA high ratio has been linked with all-cause mortality and aging.
- Standard
- No standard cutoff.
- Optimal
- No widely-accepted optimal
- Modifiers
- Same as RDW and MCV.
How to optimize
- Lifestyle
- Same as RDW.
- Diet
- Same as RDW.
- Supplements
- Same as RDW.
- Peptides
- —
- Drugs
- Treat underlying cause.
Reference ranges are general adult lab norms; optimal ranges are editorial picks from the longevity literature — not medical advice. Always interpret results with your physician.
within Blood Cells