← Blood tests
Hepatitis B Surface Antibody (anti-HBs)
Routine annualalso —
What it isAn antibody against the hepatitis B surface antigen, produced after vaccination or after recovery from infection.
DoesConfirms immunity to hepatitis B.
GoodA protective antibody level confirms immunity from vaccine or natural recovery.
BadLevels below the protective threshold suggest waning immunity and may prompt revaccination.
- Standard
- ≥10 mIU/mL = protective.
- Optimal
- 100–1000 mIU/mL (higher is good)
- Modifiers
- Wanes with time; immunosuppression reduces response.
How to optimize
- Lifestyle
- —
- Diet
- —
- Supplements
- Vitamin D3, zinc may improve vaccine response.
- Peptides
- —
- Drugs
- Hepatitis B vaccination or booster.
Vitamin D3Zinc
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 Infections