← Blood tests
Beta-2 Microglobulin
Specialistalso —
What it isA small protein found on the surface of nearly all nucleated cells, shed into blood at a steady rate proportional to cell turnover.
DoesActs as a prognostic marker in multiple myeloma and other lymphoid cancers; also reflects kidney.
GoodA low beta-2 microglobulin in a treated myeloma patient signals disease control.
BadElevated beta-2 microglobulin in myeloma predicts worse prognosis. Also rises with chronic inflammation and kidney impairment.
- Standard
- 0.7–1.8 mg/L.
- Optimal
- 0.8–1.5 mg/L (lower is good within range)
- Modifiers
- Rises with kidney impairment regardless of cancer status.
How to optimize
- Lifestyle
- —
- Diet
- —
- Supplements
- —
- Peptides
- —
- Drugs
- Cancer-directed therapy when indicated.
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 Cancer Markers