Alanine Aminotransferase (ALT) 117 U/L: Is That High?

Is Alanine Aminotransferase (ALT) 117 U/L Low, Normal, or High?

Alanine Aminotransferase (ALT) 117 U/L might be considered higher than typical reference ranges often seen in health guidelines. While not in the critically high levels that indicate immediate acute liver failure, this value is significantly elevated above what is generally considered normal. It signals that something in your body is causing liver cells to release more of this enzyme than usual. Understanding this elevation is a crucial step in assessing your overall well-being and identifying potential areas for attention.

An Alanine Aminotransferase (ALT) level of 117 U/L is a clear indication of moderate, ongoing liver cell damage or inflammation, significantly exceeding the normal upper limit of 40 U/L. This specific elevation strongly suggests that liver cells are experiencing stress, releasing this enzyme into the bloodstream. Common culprits at this level often include non-alcoholic fatty liver disease (NAFLD), which is highly prevalent and often linked to metabolic syndrome, or early stages of alcohol-related liver injury. Certain medications, even over-the-counter ones, can also contribute to this elevation. Further investigation typically involves an ultrasound of the liver to assess for steatosis (fatty liver) and additional blood tests for other liver function markers like AST, GGT, and bilirubin, along with hepatitis virus panels to rule out infectious causes. A crucial detail for patients is that while an ALT of 117 U/L is a concerning warning, it frequently represents a stage where significant intervention, particularly through lifestyle modifications like dietary changes and increased physical activity, can lead to substantial improvement and even normalization. This highlights the liver's remarkable capacity for regeneration if the underlying cause is identified and addressed proactively, making this a critical window for intervention.

Hidden Risk of Alanine Aminotransferase (ALT) 117 U/L

An Alanine Aminotransferase (ALT) 117 U/L reading suggests that your liver cells are experiencing some level of stress or damage, prompting them to release more of this enzyme into your system. While not an emergency level, such an elevation serves as an important signal, potentially pointing to underlying conditions that, if left unaddressed, could contribute to longer-term liver health challenges or other metabolic concerns. This level is a clear departure from typical healthy ranges, highlighting the need to explore what might be causing your liver to work harder than it should. The National Institutes of Health (NIH) emphasizes that even persistently mild-to-moderate ALT elevations warrant investigation to prevent progression of liver conditions.

An Alanine Aminotransferase (ALT) level of 117 U/L indicates significant liver inflammation that, if unaddressed, can progress to more serious conditions. This elevated level suggests ongoing cellular damage, which over time, may lead to fibrosis, the excessive buildup of scar tissue within the liver. This scarring impairs the liver's ability to perform essential functions like detoxification and metabolism. Persistent inflammation at this degree increases the risk of developing non-alcoholic steatohepatitis (NASH) or worsening existing viral hepatitis, potentially culminating in cirrhosis, a life-threatening stage characterized by irreversible liver damage and increased susceptibility to liver cancer. Early intervention is crucial to halt this damaging cascade.

• Potential for ongoing liver cell irritation, even if no outward symptoms are present.
• Increased likelihood of conditions like fatty liver, which can impact overall metabolic health.

What Does a Alanine Aminotransferase (ALT) Level of 117 U/L Mean?

To truly understand Alanine Aminotransferase (ALT) 117 U/L, let's think of your liver cells as tiny, specialized workshops within your body. These workshops contain many tools, and one important tool is ALT, an enzyme that helps convert food into energy. Normally, these tools stay inside the workshops. However, if the workshop walls are damaged or stressed, some of these tools, like ALT, can spill out into the bloodstream. When your ALT level reaches 117 U/L, it's like finding a significant number of these 'tools' in the 'main hallway' of your body, indicating that several workshops might be experiencing unusual activity or damage. This is a noticeable increase compared to a healthy level, where only a few tools might accidentally escape. This sustained elevation isn't typically seen with minor, fleeting stresses; it suggests a more persistent issue. For example, imagine a factory that typically runs with a few spare parts accidentally dropping on the floor each day; that's normal. But if suddenly, 117 parts are consistently found on the floor, it signals that machinery inside might be malfunctioning or overheating. The World Health Organization (WHO) highlights that even seemingly minor elevations in liver enzymes can be early indicators of conditions like non-alcoholic fatty liver disease, a condition where too much fat builds up in the liver cells, which can progress if ignored. This numeric value of 117 U/L is a tangible data point that invites a closer look at what factors might be contributing to your liver's workload and overall cellular integrity.

A serum ALT reading of 117 U/L is most commonly attributed to non-alcoholic fatty liver disease (NAFLD) due to lifestyle factors such as a diet high in processed foods, sugars, and unhealthy fats, coupled with a sedentary lifestyle. Another highly probable cause is certain medications, particularly statins, acetaminophen in higher doses, or some antibiotics, which can induce drug-induced liver injury. Viral hepatitis, such as Hepatitis B or C, although less common for this specific range without other symptoms, also remains a potential contributor, especially if chronic infection is present. Less likely but possible causes include autoimmune hepatitis or celiac disease.

Seeing your Alanine Aminotransferase (ALT) at 117 U/L sit outside the usual range is unsettling, and it makes sense to want a clear answer. A page like this can explain what the marker measures, but it cannot tell you what yours means for you. Liver enzymes point in different directions depending on the pattern, and albumin and protein show how the liver is actually working. That answer only appears once your results are read together.

Lifestyle Changes for Alanine Aminotransferase (ALT) 117 U/L

Addressing an Alanine Aminotransferase (ALT) 117 U/L level often involves examining your daily habits and making targeted lifestyle adjustments, beyond just what you eat. Regular physical activity plays a pivotal role in supporting liver health. Engaging in moderate exercise, like brisk walking, cycling, or swimming for at least 30 minutes most days of the week, can help reduce fat in the liver, improve insulin sensitivity, and contribute to a healthier body weight. This is particularly relevant as conditions like fatty liver disease are strongly linked to elevated ALT levels. Moreover, managing stress effectively is another key area. Chronic stress can impact various bodily systems, including metabolic processes that influence liver function. Techniques such as mindfulness meditation, deep breathing exercises, or spending time in nature can help regulate stress hormones. The Mayo Clinic emphasizes the importance of a balanced lifestyle, including adequate sleep and avoiding excessive alcohol consumption, to help normalize elevated liver enzyme levels. For someone with an ALT of 117 U/L, ensuring sufficient rest, aiming for 7-9 hours of quality sleep per night, provides the body, including the liver, with necessary time for repair and regeneration. Limiting exposure to environmental toxins and being mindful of over-the-counter medications that can stress the liver also contributes to supporting your liver in its recovery.

Given your ALT result of 117 U/L, schedule a follow-up appointment with your primary care physician within the next two weeks to discuss potential causes and next steps. They will likely order repeat liver function tests, including ALT, and potentially viral hepatitis serologies and an abdominal ultrasound to assess liver structure and for signs of fatty infiltration. Begin immediately tracking your daily intake of added sugars and processed carbohydrates, aiming to reduce them by at least 50%. Prioritize at least 30 minutes of moderate-intensity exercise most days of the week. If you are taking any new medications or supplements, bring a complete list to your appointment.

Diet Changes for Alanine Aminotransferase (ALT) 117 U/L

For an Alanine Aminotransferase (ALT) 117 U/L reading, specific dietary adjustments are often a cornerstone of a comprehensive plan to support liver health. What you eat directly influences your liver's workload and its ability to function optimally. A strategic shift in your eating habits can help reduce inflammation, decrease fat accumulation in the liver, and potentially bring down elevated ALT levels. The Centers for Disease Control and Prevention (CDC) frequently highlights the significant impact of nutrition on metabolic health, which directly affects liver function.

• Prioritize whole, unprocessed foods like fruits, vegetables, whole grains, and lean proteins to reduce liver burden.
• Minimize intake of added sugars and unhealthy fats, especially trans fats and excessive saturated fats, found in processed snacks and fried foods.
• Incorporate foods rich in antioxidants, such as berries, leafy greens, and nuts, to protect liver cells from damage.
• Ensure adequate hydration by drinking plenty of water throughout the day, which supports overall detoxification processes.

Alanine Aminotransferase (ALT) 117 U/L in Men, Women, Elderly, and Kids

When considering an Alanine Aminotransferase (ALT) 117 U/L, it's important to recognize that 'normal' reference ranges can vary slightly based on factors like age and gender, though this specific value is generally considered elevated across most adult populations. Typically, men may have slightly higher baseline ALT levels than women, but 117 U/L is well above what is considered typical for either. For instance, an ALT of 117 U/L in a woman might represent a proportionally greater elevation compared to her average baseline than the same value in a man, potentially indicating a more pronounced signal for investigation. In elderly individuals, ALT levels can sometimes be naturally lower due to a reduction in liver muscle mass, meaning a reading of 117 U/L in an older adult could be a particularly significant indicator of liver stress. Conversely, in children, elevated ALT levels often warrant very careful evaluation, as the underlying causes can differ from adults and may sometimes point to genetic or metabolic conditions. The American Association for the Study of Liver Diseases (AASLD) emphasizes that while general guidelines exist, individual patient context including age, gender, and medical history is crucial when interpreting any liver enzyme elevation. A value like 117 U/L serves as a clear alert across these different demographic groups, signaling the need for further exploration rather than dismissing it as a minor fluctuation, regardless of the individual's specific characteristics.

Medicine Effects on Alanine Aminotransferase (ALT) 117 U/L

An Alanine Aminotransferase (ALT) 117 U/L can sometimes be influenced by medications, both prescription and over-the-counter drugs, as well as certain supplements. The liver is the primary organ responsible for processing most substances that enter your body, making it susceptible to the effects of various compounds. When an ALT level is 117 U/L, it's crucial to review all current medications and supplements with a healthcare professional, as some can cause temporary or persistent liver enzyme elevations as a side effect. The U.S. Food and Drug Administration (FDA) regularly monitors medications for potential liver toxicity.

• Many common medications, including pain relievers like acetaminophen (if taken in excess), cholesterol-lowering statins, some antibiotics, and anti-seizure drugs, can temporarily raise ALT levels.
• Certain herbal supplements, even those marketed as "natural," can sometimes contain compounds that stress the liver.
• Understanding the full list of your current medications helps your doctor identify potential drug-induced liver enzyme elevations or interactions.

When to Retest Alanine Aminotransferase (ALT) 117 U/L

If your Alanine Aminotransferase (ALT) is 117 U/L, your healthcare provider will likely recommend a follow-up plan that includes repeating the test to monitor the trend. A single elevated reading, while significant, doesn't always provide the complete picture. The timing of the repeat test will depend on various factors, including your overall health, any symptoms you might be experiencing, and what your doctor suspects might be contributing to the elevation. For example, if lifestyle changes like dietary adjustments or increased physical activity are initiated, a repeat test might be scheduled in a few weeks or months to see if those efforts have helped bring the ALT level down. The American College of Gastroenterology (ACG) often advises that persistent elevations, meaning levels that remain high on subsequent tests, are of greater clinical concern and warrant a more thorough investigation. An ALT of 117 U/L is a clear signal that merits this monitoring approach, allowing your care team to assess if the elevation is transient or if it represents a more sustained challenge to your liver's health. This follow-up is not just about watching the number; it’s about understanding your body’s response to potential interventions and ensuring any underlying causes are appropriately managed.

Alanine Aminotransferase (ALT) 117 U/L — Frequently Asked Questions

When to See a Doctor About Alanine Aminotransferase (ALT) 117 U/L

Given an Alanine Aminotransferase (ALT) 117 U/L reading, it is always advisable to discuss this result with your healthcare provider. This specific elevation is a clear indicator that warrants medical attention, even if you are not experiencing any noticeable symptoms. Your doctor can help interpret the significance of this value within the context of your complete medical history, other blood test results, and overall health profile. They may recommend additional tests to pinpoint the exact cause of the elevated ALT, such as further blood work to check for specific liver conditions, imaging studies like an ultrasound to assess the liver's structure, or reviewing your medication list. Ignoring a sustained ALT of 117 U/L could mean missing an opportunity to address an underlying condition early, potentially preventing more significant health issues down the line. The National Kidney Foundation (NKF), while focused on kidney health, also underscores the interconnectedness of bodily systems and the importance of addressing any abnormal lab results to maintain overall well-being. Proactive engagement with your healthcare team is the most empowering step you can take for your liver health.

Written by

Ethan Keller

Clinical research writer specializing in human health, biology, and preventive medicine.

Reviewed against ALF, NIH, Mayo Clinic, AGA guidelines · Last reviewed March 31, 2026