Hepatitis B Surface Antigen (HBsAg)
Routine annualalso —
What it isA surface protein of the hepatitis B virus that appears in blood during active infection — either acute or chronic.
DoesIdentifies current hepatitis B infection.
GoodNegative HBsAg signals no active hepatitis B infection.
BadPositive HBsAg confirms active hepatitis B infection, which can be acute or chronic, and risks long-term progression to cirrhosis and liver cancer if chronic.
How to optimize
- Lifestyle
- Hepatitis B vaccination prevents acquisition; avoid blood and bodily fluid exposure.
- Diet
- Avoid alcohol if infected.
- Supplements
- —
- Peptides
- —
- Drugs
- Antiviral therapy for chronic hepatitis B (tenofovir, entecavir).
within Infections