Medically reviewed by Jay N. Yepuri, MD Liver enzymes are proteins in your liver that speed up chemical reactions. If your ...

For patients with chronic viral hepatitis, clinicians instinctively rely on liver enzyme measurements ... normal serum alanine aminotransferase (ALT) levels. Regardless of their hepatitis B ...

they recommend that clinicians should treat patients with serum ALT levels close to the upper limit with caution, as even these 'normal' levels might indicate significant liver pathology.

More than 1 in 10 US adolescents with elevated alanine aminotransferase levels meet the criteria for suspected MASLD, ...