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

23 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.

23 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) 23 U/L: Is That Normal?

Yes. 23 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 23 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
23 ÷ 38 =0.6AST 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) 23 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 23 U/L is a value that might be considered within a typical or expected range for many individuals. This number often falls comfortably within what healthcare providers generally observe as normal for this particular enzyme.

When your AST is around this level, it usually suggests a picture of general well-being concerning the organs where this enzyme is most active. Understanding what this measurement means can be a step towards better understanding your body's intricate workings. What exactly does Aspartate Aminotransferase tell us about our health?

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) value of 23 U/L typically indicates excellent liver function and overall good health, falling comfortably within the normal reference range of 5-40 U/L. This measurement is a strong positive signal, suggesting that your liver cells are largely intact and performing their crucial metabolic duties efficiently without significant inflammation or damage.

At this healthy level, specific 'causes' of the value itself are less about disease and more about the natural turnover of cells and the routine metabolic processes occurring daily in the liver, heart, and skeletal muscles, where AST is primarily found.

Minor daily fluctuations within this normal range can be attributed to factors like recent strenuous exercise, which might slightly elevate muscle-derived AST transiently, or even variations in diet or hydration status, none of which typically signify a health concern at this measurement.

When an AST reading is 23 U/L and other related liver function tests (like ALT) are also normal, further immediate investigation into liver disease is generally unwarranted. This value is often obtained as part of a routine comprehensive metabolic panel, and its normalcy strongly reinforces a favorable health status.

Future monitoring would likely occur at your next scheduled check-up, perhaps annually, depending on your overall health profile and any other pre-existing conditions. It's reassuring to know that your liver is likely healthy, but remember that a single normal reading doesn't grant immunity from future issues; maintaining this positive result involves consistent healthy lifestyle choices, including a balanced diet, regular moderate exercise, avoiding excessive alcohol, and using medications as prescribed.

While this number is a great sign, it's always part of a larger clinical picture that your healthcare provider considers.

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 23 against a general adult target. What 23 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) 23 U/L

Even when your Aspartate Aminotransferase (AST) 23 U/L result is considered typical, it's a good moment to reflect on overall wellness factors that contribute to keeping this enzyme in a healthy balance.

Sometimes, small, ongoing lifestyle influences can impact your body's delicate systems over time, even if current markers like Aspartate Aminotransferase (AST) 23 U/L don't show significant shifts. These elements are not "risks" in the immediate sense for a normal AST value, but rather opportunities to optimize your health journey and support the organs where AST is active. Considering these factors can help maintain healthy enzyme levels and foster greater well-being.

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 level of 23 U/L for aspartate aminotransferase (AST) falls comfortably within the standard reference range, it's crucial to understand that even normal values can sometimes mask underlying cellular stress, particularly in the liver and heart.

Persistent, albeit normal, AST levels might indicate a low-grade inflammatory process or early metabolic changes that, over prolonged periods, could contribute to conditions like non-alcoholic fatty liver disease (NAFLD) progression or exacerbate subclinical cardiac ischemia.

The liver's remarkable regenerative capacity often compensates for mild insults, keeping AST within bounds until significant damage occurs. Therefore, a stable, normal AST does not entirely negate the possibility of subtle, ongoing cellular damage that could, over years, increase susceptibility to more severe pathologies if not addressed.

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.
  • Consistent daily choices influence your body's internal chemistry and how enzymes function.
  • Subtle shifts in energy and comfort can signal a need for deeper attention, beyond just one enzyme level.
  • Maintaining a balanced approach to life often supports enzyme health and overall vitality.
  • Regular check-ups can reveal patterns beyond single numbers like Aspartate Aminotransferase (AST) 23 U/L.

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 23 U/L Mean?

Aspartate Aminotransferase (AST) is an enzyme, a type of protein that plays a vital role in helping your body carry out important chemical reactions. Think of enzymes as tiny workers in your cells, each with a specific job.

AST, in particular, is involved in processing amino acids, which are the building blocks of proteins your body uses for growth and repair. While AST is found throughout your body, significant amounts are present in your liver, heart, muscles, and kidneys.

Because it is so widespread, Aspartate Aminotransferase measurements can offer insights into the health of these various tissues. A value like Aspartate Aminotransferase (AST) 23 U/L often suggests that these cells are generally healthy and functioning as expected.

It indicates that the amount of AST released into your circulation is within what is commonly seen in people without significant cellular damage. By understanding the significance of a result like Aspartate Aminotransferase (AST) 23 U/L, you gain valuable insight into your cellular health.

However, it's also important to remember that this single number is one piece of a larger health puzzle. Understanding its role helps us appreciate the delicate balance within our bodily systems and encourages a broader view of overall wellness.

Keeping your body's enzymes in balance is a testament to mindful living and attentive care for your internal environment.

An aspartate aminotransferase (AST) reading of 23 U/L, residing within the expected normal limits, most commonly reflects a healthy baseline or minimal recent physiological stress. Plausible contributors at this specific level include recent moderate physical exertion, such as a strenuous workout or prolonged exercise, which can transiently elevate AST due to muscle breakdown.

Dietary factors, like consumption of fatty or processed foods shortly before the test, can also place a mild burden on the liver. Certain common medications, including some statins or antibiotics, can cause minor, temporary fluctuations in liver enzymes that would still register within a normal AST range.

Your AST 23 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) 23 U/L

Supporting your overall health goes beyond just what you eat, and these lifestyle choices can indirectly influence markers like Aspartate Aminotransferase (AST) 23 U/L by promoting general well-being. Engaging in regular physical activity is a cornerstone of good health, strengthening your heart and muscles, both of which contain AST.

Activities like walking, swimming, or cycling can enhance circulation and support healthy cellular function without overstressing your system. Maintaining these healthy habits can help ensure that your Aspartate Aminotransferase (AST) 23 U/L continues to reflect a state of well-being.

Managing stress effectively also plays a crucial role. Chronic stress can have widespread effects on your body, and finding healthy outlets such as meditation, deep breathing exercises, or hobbies you enjoy can help maintain internal harmony.

Prioritizing restful sleep is another vital component. Quality sleep allows your body to repair and rejuvenate, impacting everything from your energy levels to your metabolic processes. Aiming for consistent sleep patterns can significantly contribute to your overall vitality.

Finally, adequate hydration is essential. Water is involved in countless bodily functions, including nutrient transport and waste removal, all of which support the health of your organs. By embracing these habits, you contribute to a resilient body that is better equipped to maintain healthy enzyme levels and overall wellness, reinforcing the positive picture suggested by an Aspartate Aminotransferase (AST) 23 U/L result.

Given your aspartate aminotransferase (AST) result of 23 U/L is within the normal range, the primary recommendation is to maintain consistent healthy lifestyle habits that support liver and heart function.

Focus on a balanced diet rich in whole foods, limit alcohol intake, and engage in regular, moderate physical activity. If you recently experienced significant physical exertion or consumed a heavy meal before the blood draw, consider repeating the test after a period of rest and a more typical diet to confirm stability.

Tracking this value alongside other liver function tests and lipid profiles during your next routine check-up provides valuable longitudinal data, ensuring continued health.

for your numbersThe advice below assumes a number that needs fixing. At 23 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

A page like this one, written about you.

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.
  • Every retest joins itThe line builds itself, so the next version shows what moved.

Sources

Disclaimer: This content is for informational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. BloodMarker does not establish a doctor-patient relationship. Terms & Conditions
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