← Blood tests
Basophils (absolute & percent)
Routine annualalso —
What it isThe rarest white blood cell type. Basophils release histamine and other inflammatory mediators during allergic reactions.
DoesAmplify allergic and chronic inflammatory responses.
GoodA low or absent basophil count is normal and reflects quiescent allergic biology.
BadElevated basophils flag chronic allergic inflammation, chronic myeloid leukemia, or other rare myeloproliferative disorders.
- Standard
- 0.0–0.2 K/µL; 0–2%.
- Optimal
- 0–0.05 K/µL, 0–0.8% (lower is good)
- Modifiers
- Rises with chronic allergic disease.
How to optimize
- Lifestyle
- Identify allergen exposures.
- Diet
- Identify food sensitivities.
- Supplements
- Quercetin (500mg 2×/day), vitamin C (500mg 2×/day).
- Peptides
- —
- Drugs
- Antihistamines; hematology referral if persistently elevated.
Vitamin CQuercetin
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