Your full report
$15/month. Cancel anytime, the report stays yours.
Everything else
Tell it who you are and what else was on your test. Every line below, including the article, rewrites itself as you go.
reading page 1…
Written for you, just now
Six systems are talking to each other in your blood.every marker read against the others · in the order to deal with them · your twelve weeks
add any marker from your test
157 is elevated for AST, far enough out to be worth acting on.
this is the average reading · make it yours below
This is outside the range. Worth acting on, and worth seeing next to your other numbers first: the same value means different things depending on what is around it.
You are 116 U/L over the normal ceiling of 41. That reads elevated.
157 is elevated. That is above the normal range for AST. How much it matters depends on the markers it travels with, which is what the sections below are rewritten against.
Your BloodMarker report · Aspartate Aminotransferase (AST)
Borderline. 157 U/L is outside the normal range for AST.
But a number alone is only half the story. Your Alanine Aminotransferase (ALT), Gamma-Glutamyl Transferase (GGT) and your risk factors decide how much it means. Tell it who you are.
Upload or photograph your blood test and see every marker explained in seconds. Free.
Upload my blood testYOUR NUMBERS
Values in U/L. Your Aspartate Aminotransferase (AST) of 157 is marked.
Aspartate Aminotransferase (AST) is read as part of a set. Add the ones printed next to it on your test and the figures below work themselves out, with the ranges this page uses for each.
Every marker on your test, read against your age and sex. Free.
Aspartate Aminotransferase (AST) 157 U/L might be considered higher than what is typically observed in many individuals. While what is often considered a 'normal' range can vary slightly, a value like 157 U/L usually falls outside the standard healthy range.
This elevation suggests something in the body might need closer attention. It's a signal that invites further exploration into your overall well-being and prompts curiosity about what your body is communicating.
what this page cannot tell you
The AST/ALT ratio above 2:1 suggests alcoholic liver disease. Near 1:1 points to non-alcoholic fatty liver. Which is yours?
This page has not been given your ALT, so that half of the picture is missing here. It is describing the average reader with Aspartate Aminotransferase (AST), not you.
Read mine against my ALT →An Aspartate Aminotransferase (AST) level of 157 U/L signals a distinct elevation, notably exceeding the typical normal range and indicating that cells rich in this enzyme, primarily within the liver or skeletal muscles, are undergoing stress or injury.
At this specific value, common contributing factors often include moderate liver irritation from elements like regular alcohol consumption, the use of certain over-the-counter or prescription medications, or even the early stages of some viral infections.
Alternatively, this level can also point to recent significant muscle exertion, a minor muscle injury, or conditions causing muscle inflammation, given AST's presence in these tissues. To accurately decipher the cause, healthcare providers will invariably order accompanying tests, most crucially Alanine Aminotransferase (ALT), as the AST/ALT ratio offers vital insights into whether the liver or muscles are the predominant source of the elevation.
Further diagnostic steps often involve a more extensive liver function panel, a GGT test, and a thorough discussion about your recent activities, dietary habits, and medication history. What patients often aren’t explicitly told is that while 157 U/L warrants thorough investigation, it frequently represents a reversible cellular irritation rather than immediate, severe organ damage; understanding the context of your lifestyle and health during the test is paramount, as transient factors can heavily influence this reading.
An Aspartate Aminotransferase (AST) 157 U/L result can sometimes be an early indicator, a subtle sign that the body is experiencing some form of stress or change, even before more noticeable symptoms appear.
AST, an enzyme crucial for processing amino acids, is present in various tissues throughout the body, including the liver, heart, muscles, and kidneys. When cells in these tissues are damaged or under strain, they can release AST into the bloodstream, leading to an elevated level like Aspartate Aminotransferase (AST) 157 U/L.
This doesn't necessarily mean a serious condition is present, but it certainly prompts a closer look at potential underlying factors. Think of it as your body's way of sending a message, inviting you to understand its current state.
Everyday activities and less obvious influences can sometimes impact these markers. For instance, even intense physical activity or certain dietary choices could temporarily influence enzyme levels. Understanding these potential influences helps contextualize the Aspartate Aminotransferase (AST) 157 U/L reading within your unique health picture.
Exploring these hidden factors can be a proactive step in maintaining overall wellness. This elevated reading acts as a prompt to consider various aspects of health that might be contributing to such a biochemical shift.
It offers an opportunity to engage more deeply with your personal health narrative and discover avenues for supportive action. Potential factors that might influence an Aspartate Aminotransferase (AST) 157 U/L result could include:
what this page cannot tell you
AST and ALP together distinguish between liver cell damage and cholestatic disease, which have completely different treatments.
This page has not been given your ALP, so it cannot tell you which of those you are. It is describing the average reader with Aspartate Aminotransferase (AST), not you.
Read mine against my ALP →An Aspartate Aminotransferase (AST) level of 157 U/L, significantly exceeding the normal range of up to 40 U/L, indicates ongoing hepatocellular damage. This elevation suggests a considerable burden on the liver, potentially impairing its ability to perform vital functions like detoxification and protein synthesis.
While not immediately life-threatening, sustained or worsening AST levels at this magnitude can increase the risk of developing more serious conditions such as fibrosis, cirrhosis, or even hepatocellular carcinoma over time.
The liver's capacity to regenerate is challenged when it faces persistent injury, making early identification and management of the underlying cause crucial to prevent irreversible damage and maintain overall health.
This part is about the number
Everything below explains what raises Aspartate Aminotransferase (AST). It cannot tell you which of them is yours.
Your test can. Every marker on it is read against every other one, which is where the answer actually lives.
PDF or a photo of the printout · read in seconds
Understanding Aspartate Aminotransferase (AST) 157 U/L begins with grasping what AST truly is. AST is an enzyme, a type of protein that helps speed up vital chemical reactions within your cells.
Think of enzymes as tiny workers in your body, each with a specific job. AST's main role involves helping process amino acids, the building blocks of proteins, which is essential for energy production and various metabolic functions.
This enzyme is found in many cells throughout the body, but it's especially concentrated in the liver, heart, skeletal muscles, and kidneys. In a healthy state, AST mostly stays within these cells, where it performs its functions.
However, when cells are damaged or under stress, their outer membranes can become permeable, allowing AST to 'leak' out into the bloodstream. This leakage is why an elevated Aspartate Aminotransferase (AST) 157 U/L reading suggests that some cells somewhere in the body might be experiencing damage or inflammation.
It's not specific to one organ, meaning that a reading like Aspartate Aminotransferase (AST) 157 U/L requires further investigation to pinpoint the source. An elevated Aspartate Aminotransferase (AST) 157 U/L level, therefore, acts as a general signal of cellular distress, prompting a deeper dive into your overall health status.
It encourages you to explore potential areas where your body might need support, rather than immediately indicating a specific problem. By understanding this fundamental role of AST, you can better appreciate why an Aspartate Aminotransferase (AST) 157 U/L reading is a significant piece of information in your health journey, guiding you towards a more comprehensive view of your well-being.
It highlights the intricate balance within your body and how small changes can offer valuable insights.
An AST value around 157 U/L is most plausibly linked to significant, but not acutely critical, liver insult. Common culprits include certain medications, particularly statins used for cholesterol management, or acetaminophen (Tylenol) taken in doses exceeding recommended daily limits or for prolonged periods.
Non-alcoholic fatty liver disease (NAFLD) or its more severe form, non-alcoholic steatohepatitis (NASH), is another strong possibility, especially if associated with obesity or metabolic syndrome. Less commonly, but still relevant for this range, is early viral hepatitis (like Hepatitis B or C) or autoimmune hepatitis, though these might present with higher AST levels in more active phases.
When considering an Aspartate Aminotransferase (AST) 157 U/L result, it's natural to wonder what general wellness strategies might support your body. While these practices do not specifically 'treat' or directly 'lower' an Aspartate Aminotransferase (AST) 157 U/L reading, they contribute significantly to overall cellular health and bodily balance, which can indirectly influence enzyme levels.
Engaging in regular, moderate physical activity is one such cornerstone. This doesn't mean intense, exhaustive workouts, which can actually temporarily elevate AST; rather, aim for consistent, gentle movement like walking, swimming, or cycling.
The American Heart Association (AHA) and the American College of Sports Medicine (ACSM) both advocate for consistent physical activity to support cardiovascular health and metabolic function. Prioritizing adequate, restorative sleep is another vital component.
During sleep, your body undergoes repair and regeneration processes. Insufficient sleep can place stress on the body, potentially impacting various physiological markers. Aim for 7-9 hours of quality sleep per night.
Stress management techniques are also incredibly powerful. Chronic stress can have widespread effects on the body, including influencing inflammatory responses and cellular integrity. Practices like mindfulness meditation, deep breathing exercises, yoga, or spending time in nature can help regulate your body's stress response.
Staying well-hydrated throughout the day is fundamental for all bodily functions, including supporting kidney health and facilitating nutrient transport. These foundational lifestyle choices create an environment where your body can function optimally, fostering resilience and supporting the intricate balance that helps maintain healthy enzyme levels.
While Aspartate Aminotransferase (AST) 157 U/L is a specific number, embracing a holistic approach to your daily living empowers your body's natural capacity for health and well-being. Focusing on these positive habits provides a proactive way to support your system, irrespective of any specific reading.
With an AST reading of 157 U/L, immediate medical follow-up is essential. Schedule an appointment with your primary care physician promptly to discuss the result. They will likely order a repeat AST test within a few weeks, along with other liver function tests (ALT, bilirubin, albumin) and possibly viral hepatitis serologies to pinpoint the cause.
Review all current medications, including over-the-counter drugs and supplements, with your doctor, as dose adjustments or discontinuation may be necessary. If obesity or metabolic syndrome is a factor, a structured diet focusing on whole foods and regular physical activity, aiming for a 5-10% weight loss, should be initiated.
Free calculators for this marker
Before you go
This page suggests retesting in 3 months. We will email you then, once, with what to compare against. Nothing else, ever.
One email, in 3 months. Unsubscribe in one click. We never store your results, only the marker name. Privacy
What you actually get
You have just spent a few minutes reading a page written for a number. Upload your whole test and you get the same thing written for your body: every marker read against every other, in the order they should be fixed, as something you read rather than a dashboard you have to decode.
Keep reading
Blood values are never read alone. These are the ones that sit next to yours.
Sources & References
Related Markers You Should Also Check
Commonly Seen Together
Blood test results rarely exist in isolation. When one marker is out of range, these related values are often checked alongside it:
Other Aspartate Aminotransferase (AST) Values
Check these next
Commonly seen together
Other hemoglobin values
Sources