A liver test, also known as liver function test (LFT), is a blood test that measures enzymes, proteins, and substances produced or processed by the liver. Common components include: ALT (Alanine transaminase): Indicates liver cell damage. AST (Aspartate transaminase): Another enzyme showing liver stress or damage. ALP (Alkaline phosphatase): Elevated in bile duct issues or liver disease. Bilirubin: High levels can cause jaundice and indicate liver problems. Albumin: Low levels can show chronic liver disease. Who Should Consider a Liver Test? Liver tests aren’t just for people who feel sick. They’re important for anyone at risk of liver problems. Key groups include: 1. People with Risk Factors Heavy alcohol use: Regular drinking can damage liver cells over time. Obesity or diabetes: These conditions can lead to fatty liver disease. Family history of liver disease: Genetics can play a role. Viral hepatitis exposure: Hepatitis B or C can cause long-term liver damage. 2. People Experiencing Symptoms Some liver issues are silent, but watch for signs like: Yellowing of skin or eyes (jaundice) Dark urine or pale stools Fatigue or weakness Abdominal pain or swelling 3. People on Certain Medications Some prescription and over-the-counter medications can stress the liver, including: Painkillers like acetaminophen Statins for cholesterol Some antibiotics and antifungals 4. Routine Health Checkups Even healthy individuals may benefit from periodic liver tests, especially after age 40 or if they have lifestyle factors that could affect liver health. Early detection can prevent serious complications. What to Expect from the Test A liver test is a simple blood draw, usually requiring little preparation. In some cases, your doctor may recommend fasting beforehand. Results typically come back in a few days and can help guide further testing or lifestyle changes. Conclusion Your liver works hard every day—show it some love by monitoring its health. Whether you have risk factors, symptoms, or just want to stay proactive, a liver test is a simple but powerful tool to protect your health. If you notice unusual symptoms or fall into a higher-risk group, schedule a liver test with your healthcare provider today.

Disclaimer & Credit: All medical articles including ours, are informative and provide population trends not specific to individuals which can be very different. Always seek personalized medical advice from your doctor for individual healthcare decisions.

Posted January 5, 2026