Hepatitis A Antibody (IgG)
Specialistalso —
What it isAn antibody indicating immunity to hepatitis A, either from vaccination or past infection.
DoesConfirms protection against hepatitis A.
GoodPositive result confirms immunity.
BadNegative result indicates susceptibility — vaccination recommended for travelers and those in food-handling occupations.
- Standard
- Positive = immune.
- Optimal
- Positive if vaccinated (higher is good)
- Modifiers
- Lifelong after vaccination or recovery.
How to optimize
- Lifestyle
- Good hand hygiene; safe food handling when traveling.
- Diet
- —
- Supplements
- —
- Peptides
- —
- Drugs
- Hepatitis A vaccine if not immune.
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