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HDL42
Triglycerides180
ApoB110
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Alanine Aminotransferase (ALT)mg/dL
Gamma-Glutamyl Transferase (GGT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
129 U/L elevated
0 from your result
elevatedvery high
1normal 5 to 41500
what this means

129 is elevated for AST, far enough out to be worth acting on.

this is the average reading · make it yours below

reading as

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 88 U/L over the normal ceiling of 41. That reads elevated.

129 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.

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Your BloodMarker report · Aspartate Aminotransferase (AST)

Aspartate Aminotransferase (AST) 129 U/L: Is That High?

Borderline. 129 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.

Reviewed against ALF, NIH, Mayo Clinic, AGA guidelines · Last reviewed March 22, 2026

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YOUR NUMBERS

Normal: <40
Raised: 40-79
High: 80+

Values in U/L. Your Aspartate Aminotransferase (AST) of 129 is marked.

What they say together.

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.

U/LHIGH
U/LexampleNORMAL
U/LexampleRAISED
129 ÷ 38 =3.4AST to ALT ratio, the De Ritis ratio. Under 1 is the usual fatty-liver pattern; above 2 points at alcohol.
62 and 381.6GGT against ALT. GGT rising faster than ALT is the pattern that separates alcohol and bile flow from fat in the liver.
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Is Aspartate Aminotransferase (AST) 129 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 129 U/L might be considered elevated compared to what is typically observed in many individuals. This level suggests an increased amount of this particular enzyme in the bloodstream.

While the exact implications depend on many factors, understanding what this number means is a vital step in taking charge of your health journey. It acts as a signal, inviting you to explore more about your body's processes.

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 129 U/L, significantly above the normal upper limit of 40 U/L, is a clear clinical signal of acute cellular damage, most commonly originating from the liver or muscle tissue.

This moderate elevation indicates that cells are releasing their internal enzymes into the bloodstream due to injury or stress. At this specific level, likely causes include non-alcoholic fatty liver disease (NAFLD) with inflammation (NASH), mild alcoholic liver disease, recent intense muscle exertion or injury, or even certain medications.

Distinguishing between hepatic and muscular origins, or the various forms of liver injury, requires careful clinical correlation. To further investigate this finding, your physician will typically order additional liver function tests, such as ALT, alkaline phosphatase, and bilirubin, to discern the pattern of liver involvement.

Imaging like an abdominal ultrasound might also be utilized to examine the liver's structure. For patients, an honest detail to know is that while an AST of 129 U/L warrants thorough investigation, it is often reversible with targeted treatment or lifestyle changes once the underlying cause is identified, and it typically doesn't signify immediate, critical organ failure without other compounding symptoms.

The next steps are focused on identifying the specific cause for effective management and subsequent monitoring.

The liver and Aspartate Aminotransferase (AST) LIVER Produces Aspartate Aminotransferase (AST) Blood supply Bile output Elevated Aspartate Aminotransferase (AST) may indicate liver cell damage or stress
for your numbersThe section below is written for 129 against a general adult target. What 129 means for you depends on the rest of your lipids and your other risk factors. Your report starts from your whole picture, not one line.
for your numbersThe risk below is the average one for this AST. Whether it applies to you depends on the rest of your panel, which the article has not been given. Add them and this stops describing strangers.

Hidden Risk of Aspartate Aminotransferase (AST) 129 U/L

An Aspartate Aminotransferase (AST) 129 U/L reading can sometimes point to underlying processes happening within the body that are not immediately obvious. Elevated Aspartate Aminotransferase (AST) levels, even when you feel well, can be a quiet indicator that cells, particularly those rich in AST, might be experiencing some form of stress or damage.

It's like a subtle whisper from your internal systems, suggesting a need for closer attention. This enzyme is found in various tissues, including the liver, heart, and muscles, meaning its elevation doesn't always pinpoint a single area, but rather suggests a broader cellular response.

Understanding this potential hidden risk is about proactive health management and seeking clarity on your unique health profile.

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 129 U/L, significantly exceeding the normal range, suggests active cellular damage, primarily within the liver, but also potentially in muscle and heart tissue. This elevation indicates an ongoing inflammatory or degenerative process that, if unaddressed, can impair the liver's crucial detoxification and metabolic functions.

Prolonged or severe damage at this level can lead to hepatic fibrosis, a precursor to cirrhosis, potentially manifesting as impaired blood clotting, jaundice, and fluid accumulation (ascites). Furthermore, significant muscle involvement accompanying a high AST can contribute to muscle weakness and pain, impacting daily activities and overall physical well-being. The sustained burden on these organs increases the risk of progressive organ dysfunction.

for your numbersThis section lists every reason AST moves, because on its own the number cannot say which is yours. The rest of your panel and a few risk factors would cross most of them off in a sentence.
  • Cellular distress may be occurring.
  • It's a call to investigate further.

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

What Does a Aspartate Aminotransferase (AST) Level of 129 U/L Mean?

Understanding what Aspartate Aminotransferase (AST) 129 U/L truly signifies begins with grasping the role of this important enzyme within your body. Aspartate Aminotransferase, often simply called AST, is an enzyme that helps break down amino acids, which are the building blocks of proteins.

It's vital for many metabolic processes. While AST is present in cells throughout your body, including the heart, muscles, kidneys, brain, and red blood cells, it is found in particularly high concentrations in liver cells.

Therefore, when these cells are damaged, AST can leak into the bloodstream, leading to an elevated level like Aspartate Aminotransferase (AST) 129 U/L. An elevated AST value is often seen as a signal that some cells in your body might be damaged or irritated.

This doesn't automatically mean a serious problem, but it certainly warrants a closer look to understand the origin of this cellular activity. For instance, if liver cells are experiencing stress, whether from temporary factors or more persistent influences, this enzyme can be released.

The American Liver Foundation emphasizes the liver's central role in overall health, and understanding markers like AST contributes to this awareness. Similarly, damage to muscle tissue, perhaps from intense exercise or an injury, can also lead to an increased Aspartate Aminotransferase (AST) level.

The precise meaning of Aspartate Aminotransferase (AST) 129 U/L is best interpreted alongside other tests and your overall health picture, painting a comprehensive portrait of your internal well-being.

An AST reading around 129 U/L most plausibly points to moderate acute liver injury from common sources like viral hepatitis (e.g., Hepatitis A, B, or C), or a significant adverse reaction to a medication, including over-the-counter pain relievers like acetaminophen if taken in supra-therapeutic doses or in combination with alcohol.

Non-alcoholic fatty liver disease (NAFLD) with superimposed inflammation (NASH) is also a strong contender, particularly if associated with obesity or metabolic syndrome. Less likely but possible include acute alcoholic hepatitis, especially with recent heavy alcohol consumption, or strenuous exercise immediately preceding the blood draw, though this typically causes a less dramatic elevation.

Your AST 129 means different things depending on your other markers

AST + ALT
The AST/ALT ratio above 2:1 suggests alcoholic liver disease. Near 1:1 points to non-alcoholic fatty liver. Which is yours?
AST + ALP
AST and ALP together distinguish between liver cell damage and cholestatic disease, which have completely different treatments.
AST + Creatine Kinase
If your CK is also high, your elevated AST might be from muscle damage, not liver damage at all.
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The part one number cannot show
Your AST of 129 means different things depending on its companion markers.
Your full panel shows which story is yours.
See what is driving yours →

Lifestyle Changes for Aspartate Aminotransferase (AST) 129 U/L

When Aspartate Aminotransferase (AST) 129 U/L is noted, exploring lifestyle adjustments beyond diet can be a meaningful step in supporting overall health. Your daily habits significantly influence various bodily functions, including enzyme levels.

Regular physical activity, for instance, is beneficial for cardiovascular health and muscle strength. The American Heart Association consistently advocates for regular movement as a cornerstone of heart health. However, very intense or unaccustomed exercise can sometimes temporarily elevate AST levels due to normal muscle breakdown.

Finding a balanced exercise routine that suits your body's current fitness level is key. Hydration also plays a crucial role in cellular function and metabolic waste removal. Ensuring you drink enough water throughout the day helps your body operate more efficiently.

Moreover, managing stress effectively is an often-underestimated aspect of well-being. Chronic stress can impact various bodily systems, and finding healthy coping mechanisms, such as mindfulness, spending time in nature, or engaging in hobbies, can contribute positively to your internal environment.

Adequate, restorative sleep is another cornerstone of good health, allowing your body to repair and regenerate. A consistent sleep schedule supports optimal physiological processes. By proactively adopting these thoughtful lifestyle choices, you empower your body to maintain better balance and potentially influence markers like Aspartate Aminotransferase (AST) 129 U/L, moving towards improved vitality and sustained health.

If your AST is 129 U/L, immediate follow-up is critical. Schedule an appointment with your primary care physician within the next week for a comprehensive review of your medical history, medications, and recent lifestyle habits, particularly alcohol intake and exercise.

They will likely order a repeat AST and ALT (Alanine Aminotransferase) test, along with viral hepatitis serologies and tests for iron overload or autoimmune markers to pinpoint the cause. Dietary changes focusing on reducing processed foods, added sugars, and unhealthy fats, and ensuring adequate hydration are recommended.

If alcohol is a factor, complete abstinence is advised. Consider reducing strenuous physical activity temporarily until the cause is identified and the level normalizes.

for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

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What you actually get

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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.

  • Read in orderWhich number to deal with first, and which ones are only following it.
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