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
108 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 67 U/L over the normal ceiling of 41. That reads elevated.
108 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. 108 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 108 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) 108 U/L might be considered higher than typical levels. This specific number suggests that the amount of the AST enzyme is elevated when compared to what is usually seen.
While a single Aspartate Aminotransferase (AST) 108 U/L reading doesn't tell the whole story, it often prompts a closer look. Understanding why this level might be elevated can be an important step in your health journey.
Let's explore what this number might indicate and why it matters for your well-being.
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 108 U/L significantly surpasses the normal upper limit of 40 U/L, indicating a definite degree of cellular stress or injury within the body. This moderate elevation often points towards early to moderate liver inflammation, potentially from conditions like non-alcoholic fatty liver disease (NAFLD), some viral infections, or mild medication-induced injury.
Alternatively, significant muscle damage, such as from intense exercise, trauma, or certain muscle conditions, can also release AST into the bloodstream, as it is found abundantly in muscle cells. To pinpoint the source, clinicians will usually order a comprehensive liver panel, including Alanine Aminotransferase (ALT) to assess liver specificity, along with bilirubin and alkaline phosphatase.
A creatine kinase (CK) test might also be requested if muscle damage is suspected, particularly given the prevalence of AST in muscle tissue. Imaging like an abdominal ultrasound is often considered to visualize the liver directly.
It's important to understand that while an AST of 108 U/L is clearly above the normal range and warrants investigation, it doesn't automatically signify severe, irreversible organ damage. Many causes are treatable or resolve with lifestyle changes, and the value can normalize relatively quickly once the underlying issue is addressed.
Your medical team will also consider your overall health, symptoms, and other lab results to interpret this finding accurately.
An elevated Aspartate Aminotransferase (AST) level, such as Aspartate Aminotransferase (AST) 108 U/L, doesn't automatically mean a serious problem, but it can sometimes be a subtle signal pointing to underlying factors that deserve attention.
This elevation might reflect a level of stress or minor damage within certain cells of the body. Such cellular activity, when ongoing, could potentially contribute to broader health concerns over time if the root causes are not understood.
It's like a check engine light that comes on; it indicates something needs investigation, even if the car still seems to be running. Early awareness of these signals empowers individuals to engage with their healthcare providers to explore these indicators.
An elevated AST can be influenced by various lifestyle aspects and even some environmental exposures, which, if ignored, might impact long-term health. Understanding these potential hidden risks is crucial for proactive health management.
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 108 U/L, significantly above the typical 5-40 U/L range, indicates active hepatocellular injury. This sustained elevation suggests ongoing damage to liver cells, which can impair the liver's crucial detoxification and metabolic functions over time.
While not immediately critical, prolonged injury at this magnitude raises the risk of developing more serious conditions like fibrosis, which is the thickening and scarring of liver tissue. If left unaddressed, this scarring can progress to cirrhosis, a severe and irreversible form of liver disease, potentially leading to complications such as portal hypertension and hepatic encephalopathy, impacting overall health and longevity.
Here are some common factors that could contribute to an elevated Aspartate Aminotransferase (AST) level:
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
Aspartate Aminotransferase, or AST, is an enzyme. Think of enzymes as tiny workers within your cells that help with important chemical reactions. AST is found in many parts of the body, but it is especially concentrated in the liver, heart, skeletal muscles, and kidneys.
When cells in these organs are damaged or under stress, they can release their contents, including AST, into the bloodstream. This means that an Aspartate Aminotransferase (AST) 108 U/L reading essentially suggests that some cells containing AST might have experienced a degree of disruption or injury.
It's not a direct measure of disease, but rather an indicator of cellular activity or stress. For instance, even intense exercise can temporarily elevate AST due to normal muscle breakdown and repair.
However, more persistent elevations of Aspartate Aminotransferase (AST) can sometimes point towards conditions affecting the liver, heart, or muscles. It’s a clue, not the full answer, prompting a deeper exploration to understand its origin within your unique health context.
The specific number, Aspartate Aminotransferase (AST) 108 U/L, provides a snapshot of this enzyme's presence at the time of the measurement, offering valuable information for a healthcare professional to consider alongside other health details.
Several factors could contribute to an AST level of 108 U/L. Non-alcoholic fatty liver disease (NAFLD), often linked to obesity and metabolic syndrome, is a very common culprit for moderately elevated AST.
Certain medications, including some statins used for cholesterol or acetaminophen taken in excess, can also cause this level of enzyme leakage. Viral hepatitis, such as Hepatitis B or C, though often causing higher elevations, can present in this range during certain phases.
Less commonly, recent strenuous exercise or muscle injury might transiently increase AST, but persistent elevation usually points towards liver involvement.
Beyond specific dietary adjustments, a holistic approach to lifestyle can significantly support overall well-being and potentially influence various bodily markers, including Aspartate Aminotransferase (AST) levels. Engaging in regular physical activity, for example, is fundamental.
This doesn't necessarily mean high-intensity workouts; even moderate exercise like brisk walking, swimming, or cycling several times a week can promote circulation, reduce inflammation, and support healthy organ function. However, very intense or unaccustomed exercise can temporarily raise AST, so balance is key.
Managing stress effectively is another vital component. Chronic stress can impact the body in numerous ways, and finding healthy coping mechanisms, such as mindfulness, meditation, or hobbies, can contribute to a more balanced internal environment.
Ensuring adequate and restorative sleep is also crucial; sleep deprivation can put a strain on the body and its systems, potentially affecting cellular repair and function. Limiting exposure to environmental toxins and avoiding substances known to be harmful, such as excessive alcohol consumption, can also play a role in maintaining cellular health and supporting the liver, where a significant amount of AST is found.
Embracing these healthy habits collectively contributes to a resilient body, which can better manage and process the daily demands placed upon it, potentially leading to more balanced enzyme levels over time.
Understanding that an Aspartate Aminotransferase (AST) 108 U/L reading is part of a larger picture encourages a comprehensive look at one's daily routine.
A confirmed AST of 108 U/L warrants prompt medical investigation. Schedule a follow-up appointment with your primary care physician to discuss the timing of the test and any recent symptoms.
They will likely order repeat liver function tests, including alanine aminotransferase (ALT), alkaline phosphatase, and bilirubin, to assess the pattern of liver enzyme elevation and rule out other causes. Consider reviewing all current medications and supplements with your doctor for potential hepatotoxicity.
If fatty liver disease is suspected, focus on dietary changes like reducing processed foods and sugary drinks, and increasing physical activity by aiming for at least 150 minutes of moderate-intensity exercise weekly.
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