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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
34 U/L normal
0 from your result
normalelevatedvery high
1normal 5 to 41500
what this means

34 is normal for AST, which is where you want it.

this is the average reading · make it yours below

reading as

Nothing here needs chasing. AST reads in range, so the useful thing is the direction it moves next. Keep this number to compare your retest against.

You are inside the normal range of 5 to 41 U/L. Right where you want it.

34 is normal. This is the range the reference table treats as normal for AST, so this is maintenance rather than repair. What it means for you still depends on the rest of your panel.

recheck yearly

Your BloodMarker report · Aspartate Aminotransferase (AST)

Aspartate Aminotransferase (AST) 34 U/L: Is That Normal?

Yes. 34 U/L is in 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 34 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/LNORMAL
U/LexampleNORMAL
U/LexampleRAISED
34 ÷ 38 =0.9AST 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) 34 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 34 U/L is a numerical value that often comes up in health assessments. For many individuals, an Aspartate Aminotransferase (AST) of 34 U/L might be considered within a typical or expected range, generally not causing immediate alarm when viewed in isolation.

However, what constitutes "normal" can sometimes have a broader definition, depending on the specific laboratory and the individual's overall health picture. This specific number is a snapshot, offering a glimpse into various processes happening within the body.

Understanding what influences an Aspartate Aminotransferase (AST) 34 U/L level can unlock deeper insights into personal 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 34 U/L clinically signals healthy liver function for most individuals, resting comfortably within the typical normal reference range of 5-40 U/L. This value indicates that your liver cells are largely intact and efficiently performing their vital metabolic tasks without significant distress or damage.

While AST is predominantly found in the liver, smaller amounts are also present in other tissues like muscles. A measurement of 34 U/L often reflects the normal turnover of these cells and the routine metabolic processes your liver adeptly manages daily.

For instance, recent strenuous exercise can sometimes marginally influence AST levels even within the normal range due to minor muscle cell activity, without indicating any underlying liver concerns. It simply represents a healthy, active body where the liver is effectively performing its crucial detoxification and synthesis roles.

When an AST level is 34 U/L, no specific additional tests or immediate follow-ups are typically required solely based on this result. It is often encountered as part of a routine health panel, and its significance is usually interpreted alongside other liver enzymes, like ALT, and your overall clinical context.

A consistent AST within this healthy band provides strong reassurance to your healthcare provider about your liver's robust state. It's important to recognize that 'normal' isn't a single fixed point, but rather a healthy spectrum.

This comfortable placement at 34 U/L isn't just 'not high,' it’s a positive indicator of robust liver health, reflecting a steady biological state where your liver is maintaining its integrity and function without apparent stress, contributing significantly to your overall well-being.

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 34 against a general adult target. What 34 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.

Hidden Risk of Aspartate Aminotransferase (AST) 34 U/L

Even when a specific value like Aspartate Aminotransferase (AST) 34 U/L falls within a common range, it is always a piece of a larger puzzle. Sometimes, subtle changes in lifestyle or early, often unnoticed, physical stressors can influence these levels.

The body is a complex system, and various factors, from how much physical activity you've recently engaged in to the types of food consumed, can have an impact. Understanding these influences helps appreciate that even values considered routine can sometimes reflect underlying bodily activities that merit attention for proactive health management.

Aspartate Aminotransferase (AST) is an enzyme, a type of protein, found in many tissues, including the liver, heart, muscles, and kidneys. Its presence in the blood can suggest activity or change within these cells.

While Aspartate Aminotransferase (AST) 34 U/L is often not a cause for immediate alarm, it's a data point that contributes to a more complete health profile. For instance, strenuous exercise before a measurement can sometimes temporarily elevate enzyme levels. A thorough interpretation always considers personal history and other health indicators.

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 →

While a result of 34 U/L falls comfortably within the typical reference range, it is essential to recognize that even values at the higher end of normal can sometimes indicate subtle, underlying hepatic stress.

Chronic, low-grade inflammation or minor cellular damage, if present, might manifest at this level before progressing to more significant enzyme elevation. This could stem from factors such as undiagnosed non-alcoholic fatty liver disease (NAFLD) or subclinical exposure to hepatotoxins, which, over time, could contribute to fibrosis or impaired detoxification pathways.

Understanding this value as a potential early indicator, rather than a definitive 'problem' state, allows for proactive health management.

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.

Here are some examples of factors that might be quietly influencing this number:

  • Recent intense physical activity, such as a vigorous workout session.
  • Mild, temporary muscle strain or injury that might not be obvious.
  • Variations in liver enzyme activity influenced by everyday habits.

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 34 U/L Mean?

To truly grasp the significance of Aspartate Aminotransferase (AST) 34 U/L, it helps to understand what Aspartate Aminotransferase (AST) itself is. Aspartate Aminotransferase (AST) is an enzyme, a specialized protein that helps carry out chemical reactions within the body's cells.

It plays a role in amino acid metabolism, which is the process of breaking down proteins. You find this enzyme in high concentrations within cells of the liver, heart, skeletal muscles, kidneys, brain, and red blood cells.

When cells containing Aspartate Aminotransferase (AST) are damaged or inflamed, this enzyme can leak out into the bloodstream, leading to higher observed levels. Therefore, detecting Aspartate Aminotransferase (AST) in the blood can provide clues about the health of these tissues.

A value like Aspartate Aminotransferase (AST) 34 U/L, while often within a typical range, is a measurement of how much of this enzyme is circulating. It doesn't pinpoint the exact source of cellular activity but offers general insights.

Healthcare professionals use this information, alongside other findings, to build a comprehensive picture of an individual's health. The interpretation of any specific value, including Aspartate Aminotransferase (AST) 34 U/L, always relies on considering the full clinical context, including other related measures and personal history.

It's a key indicator for understanding general cellular well-being, especially related to organs like the liver and muscles. This single numerical output is a window into the body's intricate biochemical processes, highlighting the constant work cells perform.

A laboratory value of 34 U/L for aspartate aminotransferase often reflects a baseline state with minimal cellular insult, making common transient factors the most probable contributors. For instance, strenuous physical exertion shortly before the blood draw can cause temporary, mild elevation due to muscle breakdown, which also releases AST.

Similarly, a high-protein or high-fat meal consumed within a few hours of testing might transiently impact liver processing, nudging the AST slightly. Certain over-the-counter medications or supplements, particularly those metabolized by the liver, could also play a minor role, though typically without causing significant deviations from the normal range.

Your AST 34 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.
Upload your blood test to see these for real →
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.

Lifestyle Changes for Aspartate Aminotransferase (AST) 34 U/L

Beyond specific dietary choices, many aspects of daily living contribute to overall health and can subtly influence various bodily functions, including enzyme levels such as Aspartate Aminotransferase (AST). Embracing a balanced lifestyle is not just about avoiding problems; it's about actively supporting the body's natural resilience.

Regular physical activity, for instance, plays a significant role in maintaining muscle health and promoting efficient circulation. However, it's worth noting that very intense exercise just before a health assessment can sometimes temporarily affect enzyme readings.

Finding a sustainable routine that includes both strength training and cardiovascular exercise, as recommended by organizations like the American Heart Association, can enhance general well-being without overstressing the body. Adequate sleep is another cornerstone of health, allowing the body to repair and regenerate.

Chronic sleep deprivation can contribute to systemic stress and inflammation, which might have indirect effects on cellular health and enzyme activity. Similarly, managing stress through mindfulness, relaxation techniques, or hobbies can reduce the physiological burden on the body.

Prolonged stress can lead to the release of hormones that influence various metabolic pathways. By prioritizing these foundational elements of a healthy lifestyle, individuals can support their body's optimal functioning.

While these practices won't directly alter an Aspartate Aminotransferase (AST) 34 U/L result in a prescriptive way, they contribute to the overall balance that helps maintain cellular integrity and proper organ function over time. Thinking holistically about daily habits provides a powerful approach to supporting long-term health.

Given your AST result of 34 U/L is within the normal reference range, the immediate next step is to confirm consistency with your overall health profile. If this is a new baseline or if you have experienced any recent symptoms like fatigue or abdominal discomfort, consider repeating the test in 3-6 months alongside a basic metabolic panel to monitor for trends.

Focus on maintaining a balanced diet low in processed foods and excessive fats, ensuring adequate hydration, and moderating alcohol intake. If you are taking any new medications or supplements, discuss them with your primary care provider to ensure they are not contributing to any liver strain, even at this seemingly minor level.

for your numbersThe advice below assumes a number that needs fixing. At 34 it already reads normal, so read this as maintenance, not repair. Your report would flip the section rather than make you translate it.

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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.
  • Written, not chartedThe same voice as this page, about your own blood, on your own page.
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