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HDL42
Triglycerides180
ApoB110
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Aspartate Aminotransferase (AST)mg/dL
Alanine Aminotransferase (ALT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
23 U/L normal
0 from your result
normalmildly elevatedelevatedvery high
1normal under 46500
what this means

23 is normal for GGT, which is where you want it.

this is the average reading · make it yours below

reading as

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

You are under 46 U/L, which reads normal. Right where you want it.

23 is normal. This is the range the reference table treats as normal for GGT, 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 · Gamma-Glutamyl Transferase (GGT)

Gamma-Glutamyl Transferase (GGT) 23 U/L: Is That Normal?

Yes. 23 U/L is in the normal range for GGT.

But a number alone is only half the story. Your Aspartate Aminotransferase (AST), Alanine Aminotransferase (ALT) 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 26, 2026

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YOUR NUMBERS

Normal: <48
Raised: 48-119
High: 120+

Values in U/L. Your Gamma-Glutamyl Transferase (GGT) of 23 is marked.

What they say together.

Gamma-Glutamyl Transferase (GGT) 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/LexampleNORMAL
34 ÷ 38 =0.9AST to ALT ratio, the De Ritis ratio. Under 1 is the usual fatty-liver pattern; above 2 points at alcohol.
23 and 380.6GGT 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 Gamma-Glutamyl Transferase (GGT) 23 U/L Low, Normal, or High?

Gamma-Glutamyl Transferase (GGT) 23 U/L typically falls within a healthy and optimal range for most adults. This result might be considered a favorable indication of liver function and overall well-being.

It suggests that your body's systems, particularly those involving the liver and bile ducts, are working smoothly. Understanding what contributes to maintaining such a level can offer insights into supporting your health proactively.

What does this steady GGT level truly tell you about your internal health landscape?

what this page cannot tell you

Hemoglobin levels combined with this marker can reveal underlying conditions that neither value shows on its own

This page has not been given your Hemoglobin, so that half of the picture is missing here. It is describing the average reader with Gamma-Glutamyl Transferase (GGT), not you.

Read mine against my Hemoglobin →

A Gamma-Glutamyl Transferase (GGT) level of 23 U/L falls squarely within the healthy reference range, strongly signaling optimal liver and bile duct function. This excellent value typically indicates your liver is efficiently processing substances without significant stress, inflammation, or damage.

Such an ideal reading is most often observed in individuals maintaining a healthy lifestyle, characterized by a balanced diet, regular physical activity, and moderate to no alcohol consumption, reflecting a well-managed metabolic system.

It reassures that common factors known to elevate GGT, such as excessive medication use, chronic alcohol intake, or underlying metabolic disorders, are likely not impacting your liver significantly. For a GGT level of 23 U/L, specific immediate diagnostic tests for liver issues are generally unwarranted.

Instead, your healthcare provider will likely commend your current health status and recommend maintaining your beneficial habits as part of routine preventive care, with no specialized GGT follow-up needed beyond your next scheduled general health check.

It’s also important to remember that GGT is often the most sensitive liver enzyme, capable of subtle fluctuations even with minor changes in diet or certain over-the-counter supplements before other liver markers react.

Sustaining this reassuring level often reflects consistent healthy choices that help prevent even small, otherwise unnoticeable, elevations.

The liver and Gamma-Glutamyl Transferase (GGT) LIVER Produces Gamma-Glutamyl Transferase (GGT) Blood supply Bile output Elevated Gamma-Glutamyl Transferase (GGT) 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 Gamma-Glutamyl Transferase (GGT) 23 U/L

Even with a Gamma-Glutamyl Transferase (GGT) 23 U/L, which is generally a positive sign, it's valuable to understand the broader context of liver health and how to maintain this optimal state.

While this level doesn't point to immediate hidden risks, being informed about factors that can influence GGT over time is a smart approach. For instance, subtle lifestyle patterns, like infrequent vigorous exercise or occasional exposure to certain substances, can contribute to how your GGT settles at this healthy point.

The goal is always to support your liver's continued optimal performance, preventing future shifts from this desirable range. Maintaining robust health and understanding your body's subtle cues is key, as even minor changes can sometimes indicate underlying trends that warrant attention down the line.

The National Institutes of Health (NIH) consistently emphasizes the importance of understanding liver markers as part of comprehensive health monitoring, even when results appear favorable. Engaging in practices that support sustained liver health is crucial for long-term well-being.

what this page cannot tell you

Kidney function reflected by creatinine affects how this marker is processed and what your levels actually mean

This page has not been given your Creatinine, so that half of the picture is missing here. It is describing the average reader with Gamma-Glutamyl Transferase (GGT), not you.

Read mine against my Creatinine →

While a Gamma-Glutamyl Transferase (GGT) result of 23 U/L falls comfortably within the typical reference range, it's important to understand that subtle influences can still be at play. Although not indicative of overt liver damage or significant biliary obstruction, persistent levels at the lower end of normal might be influenced by ongoing, subclinical exposure to certain environmental toxins or even early stages of non-alcoholic fatty liver disease (NAFLD) that haven't yet manifested higher enzyme levels.

These factors can contribute to oxidative stress within hepatocytes over time, potentially impacting long-term liver health and contributing to insulin resistance, even without overt symptoms.

for your numbersThe risk below is the average one for this GGT. 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.

This part is about the number

Everything below explains what raises Gamma-Glutamyl Transferase (GGT). 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 Gamma-Glutamyl Transferase (GGT) Level of 23 U/L Mean?

Gamma-Glutamyl Transferase (GGT) is an enzyme found throughout the body, but it is especially concentrated in the liver. Think of your liver as a busy factory that processes everything you eat, drink, and breathe, making sure waste products are removed and essential substances are created.

GGT acts like a quality control manager in this factory, particularly involved in moving molecules around and helping the liver detoxify harmful compounds. When the liver or bile ducts are stressed or damaged, this enzyme can leak into the bloodstream, causing levels to rise.

A Gamma-Glutamyl Transferase (GGT) 23 U/L means that your liver's 'quality control manager' is operating efficiently and calmly, with no significant signs of distress. It suggests that the liver cells are intact and the bile ducts are flowing freely, without major blockages or inflammation.

This healthy value for Gamma-Glutamyl Transferase (GGT) typically reflects effective detoxification processes and overall metabolic balance. The World Health Organization (WHO) often points to healthy enzyme levels as indicators of good organ function, reinforcing the significance of such readings for overall health assessment.

For an individual presenting with a GGT value of 23 U/L, common contributing factors are often lifestyle-related and generally benign. Moderate alcohol consumption, even a few drinks per week, is a frequent culprit for elevated GGT, though at this level it suggests the intake is not excessive.

Certain medications, including some anticonvulsants, barbiturates, and even some over-the-counter pain relievers taken regularly, can induce GGT production in the liver. Dietary habits, particularly a diet high in processed foods and saturated fats, can also subtly increase GGT as the liver works to metabolize these substances.

Your GGT 23 means different things depending on your other markers

GGT + Hemoglobin
Hemoglobin levels combined with this marker can reveal underlying conditions that neither value shows on its own
GGT + Creatinine
Kidney function reflected by creatinine affects how this marker is processed and what your levels actually mean
GGT + Fasting Blood Glucose
Blood sugar status interacts with this marker in ways that change the clinical significance of your result
Upload your blood test to see these for real →
The part one number cannot show
Your GGT of 23 means different things depending on its companion markers.
Your full panel shows which story is yours.
See what is driving yours →

Lifestyle Changes for Gamma-Glutamyl Transferase (GGT) 23 U/L

Maintaining a Gamma-Glutamyl Transferase (GGT) 23 U/L involves continuing positive lifestyle habits that support liver health and overall well-being. Regular physical activity plays a pivotal role. Engaging in moderate-intensity exercise, such as brisk walking, swimming, or cycling, for about 150 minutes per week, as recommended by the Centers for Disease Control and Prevention (CDC), can significantly support metabolic health and help keep liver enzyme levels balanced.

This kind of activity helps manage weight, improve insulin sensitivity, and reduce fatty build-up in the liver, all of which contribute to an optimal Gamma-Glutamyl Transferase (GGT) reading. Additionally, managing stress effectively through practices like mindfulness, meditation, or spending time in nature can positively influence your body's biochemical balance.

Adequate sleep, typically 7-9 hours per night for adults, also allows the body to repair and regenerate, which is vital for liver function. Avoiding excessive alcohol consumption and being mindful of environmental toxins further protects the liver, helping to sustain healthy GGT levels.

With a GGT of 23 U/L, the immediate priority is continued monitoring rather than immediate intervention. It is advisable to repeat the liver function panel in three to six months to ensure stability within the normal range.

Concurrently, focus on optimizing lifestyle factors. Evaluate recent alcohol intake and consider reducing or eliminating it for a month, then retesting to observe any impact. Likewise, review all prescribed and over-the-counter medications for potential liver effects.

If a pattern of fatty liver is suspected based on other markers or clinical presentation, dietary modifications focusing on whole foods and reducing sugar intake would be the highest yield action.

for your numbersThis section lists every reason GGT 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.
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.

Diet Changes for Gamma-Glutamyl Transferase (GGT) 23 U/L

When your Gamma-Glutamyl Transferase (GGT) is at 23 U/L, your dietary focus should be on sustaining this excellent level through foods that promote long-term liver health. It's about nourishing your body to keep its internal systems running smoothly.

A balanced diet rich in antioxidants and fiber is particularly beneficial. This includes a wide array of fruits, vegetables, and whole grains, which help protect liver cells from damage and support detoxification pathways.

Limiting processed foods, sugary drinks, and unhealthy fats can further contribute to maintaining a healthy weight and reducing the liver's workload. The American Heart Association (AHA) consistently recommends a diet centered around plant-based foods, lean proteins, and healthy fats for cardiovascular and metabolic health, which indirectly supports liver function.

Incorporating specific foods known for their liver-protective qualities can be a thoughtful way to maintain your GGT at this optimal range.

Foods that support liver health Broccoli Cruciferous Coffee Liver-protective Fatty fish Omega-3s Nuts Vitamin E Olive Oil Healthy fats Reduce alcohol and processed foods to support liver recovery
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.

Gamma-Glutamyl Transferase (GGT) 23 U/L in Men, Women, Elderly, and Kids

Gamma-Glutamyl Transferase (GGT) levels can naturally vary slightly based on age, gender, and even certain life stages, yet a reading of 23 U/L typically remains a favorable indicator across different groups.

In adult men, GGT levels tend to be slightly higher than in adult women, so a 23 U/L for a man still falls comfortably within a healthy range, reflecting good liver and bile duct function.

For women, especially those who are not pregnant or using certain medications, a 23 U/L is also an excellent reading. The Mayo Clinic notes that biological differences and hormonal factors can influence these baseline levels, but a GGT 23 U/L generally signifies a well-functioning system.

In the elderly, GGT levels can sometimes subtly increase with age due to various factors, but a 23 U/L would still be considered a very healthy and encouraging result, indicating robust liver health for their age group.

For children, GGT reference ranges are typically different and broader, but a level of 23 U/L would likely be interpreted as normal, reflecting healthy growth and development. Regardless of the demographic, this specific Gamma-Glutamyl Transferase (GGT) level speaks to effective liver operations, offering reassurance about metabolic well-being.

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.

Medicine Effects on Gamma-Glutamyl Transferase (GGT) 23 U/L

Even with a healthy Gamma-Glutamyl Transferase (GGT) 23 U/L, it's helpful to be aware that various medications can subtly influence liver enzyme activity, often without causing harm or significant elevation.

Certain over-the-counter pain relievers, prescription medications for chronic conditions, or even some herbal supplements, might affect how your GGT is processed, even if it stays within an optimal range. For example, some common cholesterol-lowering drugs, while generally safe and effective, can be monitored for their liver impact.

Likewise, certain anti-seizure medications or antibiotics can sometimes cause minor, non-clinical fluctuations in GGT. It's not about being alarmed, but about understanding that your overall health picture, including any medications you take, contributes to your specific GGT reading.

The American College of Gastroenterology (ACG) often highlights the importance of discussing all medications and supplements with a healthcare provider to ensure a complete understanding of their potential interactions with liver health markers.

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.

When to Retest Gamma-Glutamyl Transferase (GGT) 23 U/L

When your Gamma-Glutamyl Transferase (GGT) is at 23 U/L, which is typically an optimal reading, a repeat test is usually not immediately necessary unless there are other clinical reasons. For individuals with no symptoms and a generally healthy profile, this GGT level can be considered a positive benchmark.

Often, healthcare providers might suggest repeating a GGT test as part of routine annual physicals or comprehensive metabolic panels, rather than due to concern over the 23 U/L result itself.

This allows for ongoing monitoring and helps track any subtle trends over time. If a healthcare professional identifies other factors, such as specific risk factors for liver conditions or changes in other blood markers, they might recommend a follow-up test to ensure consistency or investigate further, even with a favorable Gamma-Glutamyl Transferase (GGT) 23 U/L.

The focus would be on maintaining overall wellness and ensuring continued liver health, rather than addressing an immediate issue indicated by this specific, healthy GGT number.

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.

Gamma-Glutamyl Transferase (GGT) 23 U/L — Frequently Asked Questions

A Gamma-Glutamyl Transferase (GGT) of 23 U/L is generally an excellent sign, strongly suggesting healthy liver and bile duct function. While it’s a key indicator, comprehensive liver health also involves other enzymes and clinical assessments. This reading is a positive piece of the puzzle, but a healthcare provider considers your overall health profile to determine perfect health.

To maintain an optimal Gamma-Glutamyl Transferase (GGT) 23 U/L, focus on a balanced diet rich in fruits, vegetables, and whole grains, regular physical activity, moderate alcohol consumption (or abstinence), and effective stress management. These habits collectively support liver function and overall metabolic health, as emphasized by organizations like the American Liver Foundation (ALF).

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.

With a Gamma-Glutamyl Transferase (GGT) of 23 U/L, immediate concern about liver issues is typically low because this level is optimal. However, it's always wise to discuss your complete health history and any symptoms with your healthcare provider.

This ensures a holistic understanding of your health, even with such a favorable GGT result, as other factors could exist independently of this specific marker.

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.

When to See a Doctor About Gamma-Glutamyl Transferase (GGT) 23 U/L

While a Gamma-Glutamyl Transferase (GGT) 23 U/L is a very reassuring result, indicating good liver and bile duct health, it's always important to engage with your healthcare provider for a complete picture of your well-being.

You should consider consulting your doctor if you experience any new or persistent symptoms, even with an optimal GGT reading. These symptoms might include unexplained fatigue, unusual abdominal discomfort, changes in appetite, or yellowing of the skin or eyes.

Such signs could indicate other health issues that are not directly reflected by your GGT level alone. Additionally, if you have ongoing medical conditions, are taking new medications, or have a family history of liver disease, a conversation with your healthcare provider is always beneficial.

They can interpret your Gamma-Glutamyl Transferase (GGT) 23 U/L within the context of your entire health profile, offering personalized insights and ensuring you continue on a path of optimal health and preventive care.

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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.
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