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Aspartate Aminotransferase (AST)mg/dL
Alanine Aminotransferase (ALT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
374 U/L very high
0 from your result
mildly elevatedelevatedvery high
1normal under 46500
what this means

374 is very high for GGT, enough that the number itself is the problem.

this is the average reading · make it yours below

reading as

This level is usually treated as urgent. A result this far outside the range is normally checked by a doctor promptly, not at your next routine appointment.

You are 328 U/L over the normal ceiling of 46. That reads very high.

374 is very high. That is above the normal range for GGT. 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 · Gamma-Glutamyl Transferase (GGT)

Gamma-Glutamyl Transferase (GGT) 374 U/L: Is That High?

Yes. 374 U/L is well outside 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 30, 2026

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YOUR NUMBERS

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

Values in U/L. Your Gamma-Glutamyl Transferase (GGT) of 374 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/LHIGH
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.
374 and 389.8GGT 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) 374 U/L Low, Normal, or High?

Gamma-Glutamyl Transferase (GGT) 374 U/L might be considered significantly elevated. This level suggests that certain cellular activities within your body, particularly those related to detoxification and antioxidant defense, are highly active.

It often serves as a signal that your internal systems are working hard to process or respond to various internal factors. Understanding this level can offer insights into your body's current physiological state and encourage you to explore its deeper meanings.

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 374 U/L is critically elevated, signaling significant liver stress or damage that demands immediate medical attention. This value dramatically exceeds the normal upper limit of 45 U/L, indicating a severe perturbation in liver health.

At such a pronounced elevation, common culprits include acute alcoholic liver disease, severe medication-induced liver injury (such as from certain antibiotics, pain relievers, or chemotherapy), or a significant obstruction in the bile ducts, possibly due to large gallstones or a tumor compressing the ducts.

To thoroughly investigate this, your healthcare provider will almost certainly order additional tests like a comprehensive liver function panel (including ALT, AST, alkaline phosphatase, and bilirubin levels) to assess specific patterns of liver injury, alongside imaging studies such as an abdominal ultrasound or MRI to visualize the liver, gallbladder, and bile ducts for structural abnormalities.

What many patients find surprising is that even with a GGT level of 374 U/L, you might not experience severe symptoms, or symptoms might be vague. The absence of clear symptoms does not diminish the seriousness of this result; it simply underscores the need for a swift and thorough diagnostic workup to prevent further damage. Understanding the root cause is the immediate priority to guide effective treatment.

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 374 against a general adult target. What 374 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) 374 U/L

A Gamma-Glutamyl Transferase (GGT) level of 374 U/L points to ongoing, significant cellular activity, particularly within the liver and bile ducts. This elevation is not merely a number; it can reflect a sustained internal demand on your body's metabolic and detoxification systems.

Think of it as your body's internal machinery running at a very high gear for an extended period, which could potentially lead to wear and tear over time if the underlying causes are not understood.

The National Institutes of Health (NIH) emphasizes that persistently elevated enzyme levels can suggest an underlying condition that warrants attention to prevent potential long-term impacts on organ health. Ignoring a consistently high GGT could mean missing an opportunity to support your body’s vital functions proactively.

The biological processes behind this sustained elevation deserve careful consideration to maintain overall well-being. This significant level suggests the body is under a notable degree of stress, and understanding what contributes to this stress is a crucial step toward maintaining health.

It's a clear indication that the systems responsible for handling substances and protecting cells are working overtime.

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 →

A Gamma-Glutamyl Transferase (GGT) level of 374 U/L, significantly elevated above the normal range, indicates substantial ongoing liver stress or damage. This very high value strongly suggests potential progression towards significant liver fibrosis or cirrhosis, particularly if the underlying cause is chronic.

It increases the risk of developing serious complications such as portal hypertension, ascites (fluid accumulation in the abdomen), and hepatic encephalopathy (brain dysfunction due to liver failure). Furthermore, such pronounced elevations can be associated with a higher likelihood of developing gallstones or bile duct obstruction, requiring prompt investigation to prevent further damage and complications.

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 374 U/L Mean?

Gamma-Glutamyl Transferase (GGT) is an enzyme found in many cells throughout your body, but it is most concentrated in the liver, bile ducts, and kidneys. Its main job is to help process substances at a cellular level, playing a key role in the body’s detoxification system and acting as an antioxidant.

Imagine your body as a busy factory, and GGT is like a worker responsible for moving parts and cleaning up waste products. When your GGT level is 374 U/L, it’s as if that particular worker is operating at an extremely high intensity, signaling that the factory is either dealing with a large influx of materials to process or that the cells themselves are under a lot of stress.

This elevated reading often suggests that the cells, especially in the liver or bile ducts, are either damaged, inflamed, or under significant demand to produce more GGT to help manage an increased workload.

The higher the number, the more pronounced this cellular activity or stress is likely to be. At 374 U/L, this value is far beyond what is typically seen, indicating a more pronounced and continuous cellular response compared to values even slightly lower.

The World Health Organization (WHO) has highlighted the importance of enzymes like GGT in reflecting metabolic health. This particular level suggests a notable response within the body’s intricate system of chemical reactions, prompting a closer look into what might be driving such an active state.

It's the body's way of signaling that something is requiring a significant, sustained effort from its cellular machinery.

An isolated GGT reading of 374 U/L often points towards significant alcohol consumption, particularly binge drinking or chronic heavy use, as a primary driver. Another highly plausible cause is non-alcoholic fatty liver disease (NAFLD), especially if it has progressed to non-alcoholic steatohepatitis (NASH), often linked to obesity and metabolic syndrome.

Certain medications, including some anticonvulsants, statins, or even over-the-counter drugs like acetaminophen taken in excess, can also induce such marked elevations by directly impacting liver cells or bile flow. Less commonly, it might reflect early stages of biliary tract issues.

Your GGT 374 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
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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.

Lifestyle Changes for Gamma-Glutamyl Transferase (GGT) 374 U/L

Making thoughtful lifestyle choices can support your body's natural processes, even when faced with a Gamma-Glutamyl Transferase (GGT) level of 374 U/L. Engaging in regular physical activity is a powerful way to promote overall health and help your body function efficiently.

Think of exercise not just for muscles, but as a way to stimulate circulation and support your metabolic pathways. Aim for activities you enjoy, whether it's brisk walking, swimming, or cycling, to make it a sustainable habit.

Managing stress is also incredibly important for your body's internal balance. Chronic stress can impact various bodily systems, including those involved in detoxification. Techniques such as mindfulness, deep breathing exercises, or spending time in nature can help calm your nervous system.

Adequate sleep is another cornerstone of well-being, allowing your body to repair and regenerate cells. Consistent, quality sleep supports countless internal functions. These lifestyle approaches aim to create an environment where your body can better regulate its cellular activities and reduce the overall burden on its detoxification systems.

The Centers for Disease Control and Prevention (CDC) frequently emphasizes the interconnectedness of these healthy habits for maintaining a robust physiological state. By focusing on these areas, you provide your body with essential support, helping it to manage the internal demands that might be contributing to a GGT level like 374 U/L.

Immediate medical evaluation is paramount for a GGT of 374 U/L. You should schedule an urgent appointment with your primary care physician to discuss this result; they may refer you to a hepatologist or gastroenterologist.

The highest yield lifestyle change is to immediately cease alcohol intake entirely and to consult a nutritionist regarding a liver-friendly diet, focusing on weight management if applicable. The next step will likely involve a comprehensive panel of liver function tests, viral hepatitis serologies, and abdominal ultrasound to visualize the liver and bile ducts. Tracking symptoms like jaundice, abdominal pain, and fatigue is crucial.

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.
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.

Diet Changes for Gamma-Glutamyl Transferase (GGT) 374 U/L

When considering a Gamma-Glutamyl Transferase (GGT) level of 374 U/L, dietary adjustments can play a supportive role in how your body handles internal processing and maintains cellular health. Focusing on a diet rich in whole, unprocessed foods can provide essential nutrients that assist your body's natural detoxification pathways.

Emphasizing foods that are gentle on your liver and support its function can be particularly helpful for this enzyme reading. The American Heart Association (AHA) and American College of Cardiology (ACC) often recommend a plant-focused diet for overall health, which can also benefit the organs involved in GGT activity.

Choosing specific foods that help your cells manage stress is a proactive step. Aim for meals that are balanced and provide steady energy, helping to ease the workload on your internal systems.

Such dietary patterns are not about quick fixes but about providing sustained support for your body's ongoing needs.

Here are some dietary considerations:

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.
  • **Increase Antioxidant-Rich Foods:** Focus on vibrant fruits and vegetables like berries, leafy greens (spinach, kale), and cruciferous vegetables (broccoli, Brussels sprouts). These contain compounds that help protect cells from damage and support the body’s detoxification process, which is especially relevant given a GGT of 374 U/L.
  • **Choose Lean Proteins and Healthy Fats:** Incorporate sources like fish, chicken, legumes, and nuts. Healthy fats from avocados, olive oil, and fatty fish (like salmon, rich in omega-3s) can help reduce inflammation and support cellular membranes.
  • **Prioritize Whole Grains:** Opt for brown rice, oats, and quinoa over refined grains. These provide fiber, which aids digestive health and can help the body eliminate waste more efficiently.
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 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.

Gamma-Glutamyl Transferase (GGT) 374 U/L in Men, Women, Elderly, and Kids

The normal range for Gamma-Glutamyl Transferase (GGT) levels can show some variations across different groups, but a reading of 374 U/L is generally considered significantly elevated regardless of age or sex.

In men, GGT levels tend to be slightly higher than in women, often due to biological differences in body composition and metabolic pathways, though the reasons are complex and not fully understood.

However, a GGT of 374 U/L would still be considered very high for adult men. For women, the typical GGT levels are usually lower, so a reading of 374 U/L represents an even more pronounced elevation in this group, signaling a significant level of cellular activity.

In elderly individuals, GGT levels might naturally increase slightly with age as part of the body's aging processes and cumulative environmental exposures, but 374 U/L remains a remarkably high value that would warrant thorough investigation into potential underlying causes.

In children, GGT levels are typically much lower than in adults, and a reading of 374 U/L would be exceptionally high and would immediately suggest a need for specialized medical evaluation.

The Mayo Clinic notes that age and sex are among the factors that can influence enzyme levels, but a value like 374 U/L stands out as unusually high for nearly all populations, indicating that the body's internal systems are under considerable strain or facing a significant demand for GGT activity.

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.

Medicine Effects on Gamma-Glutamyl Transferase (GGT) 374 U/L

Several types of medications can influence Gamma-Glutamyl Transferase (GGT) levels, sometimes by affecting the body's internal processes and cellular activity in the liver and other organs. When your GGT is 374 U/L, it's important to consider if any ongoing prescriptions or over-the-counter drugs might be contributing to this elevation.

Some medications can cause the liver cells to produce more GGT as part of their metabolic work, even without causing direct damage. This process, known as enzyme induction, means the liver is working harder to process the medication.

Other drugs might cause a mild stress or inflammation within the liver, leading to the release of more GGT into the bloodstream as a cellular response. The Kidney Disease: Improving Global Outcomes (KDIGO) guidelines, while focused on kidney health, acknowledge the systemic impact of various medications on overall enzyme balance.

It's not about stopping medication, but about understanding how different substances interact with your body’s intricate systems. Discussing all your medications with your healthcare provider is essential for a complete picture, especially with a GGT level of 374 U/L.

They can help evaluate if any of your medications are expected to affect GGT and determine if this enzyme elevation is an anticipated side effect or an indicator of another underlying issue.

Here are some ways medicines can influence GGT:

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.
  • **Enzyme Production Boost:** Some medications can cause liver cells to ramp up their production of GGT, increasing its presence in the bloodstream as part of normal processing activities, even without harm.
  • **Cellular Stress Response:** Certain drugs might induce a mild stress response in liver or bile duct cells, leading to a temporary increase in GGT release as the cells adapt or respond to the presence of the medication.
  • **Metabolic Workload:** Medications that require extensive processing by the liver can increase the overall workload on its cellular machinery, which might be reflected in elevated GGT levels.
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.

When to Retest Gamma-Glutamyl Transferase (GGT) 374 U/L

Given a Gamma-Glutamyl Transferase (GGT) level of 374 U/L, repeating the test is often a common and prudent step. This significantly elevated reading suggests your body's internal systems are under considerable activity, and a follow-up test helps to monitor how these processes are evolving.

Repeating the GGT test allows healthcare professionals to see if the level remains high, has increased further, or has begun to decrease, providing valuable information about the body's dynamic state.

It helps to confirm the initial finding and track the body's response over time, especially if any lifestyle adjustments or other interventions have been initiated. The National Kidney Foundation (NKF) often highlights the importance of serial measurements for various markers to understand trends rather than relying on a single snapshot.

For a value as high as 374 U/L, a repeat test is not just about confirming a number; it's about observing the trajectory of your body's cellular activity and ensuring that any contributing factors are being addressed appropriately.

This follow-up also provides an opportunity to evaluate the effectiveness of any changes made to support your overall health. It helps to differentiate between a temporary fluctuation and a more persistent pattern of elevated cellular activity.

Gamma-Glutamyl Transferase (GGT) 374 U/L — Frequently Asked Questions

A Gamma-Glutamyl Transferase (GGT) level of 374 U/L is a strong indicator that your body's detoxification and cellular protective systems, particularly in the liver and bile ducts, are working under significant and sustained demand.

It suggests these internal processes are highly active, potentially processing a higher-than-usual load or responding to a notable internal stressor. This level points to a more pronounced and ongoing physiological response compared to what might be seen with lower elevations, implying that the 'factory' of your body is in an active, perhaps overdriven, state.

At 374 U/L, your Gamma-Glutamyl Transferase (GGT) level highlights a significant, sustained cellular response within the liver and bile ducts. This particular elevation suggests not just a transient issue but potentially ongoing stress or inflammation, or a heightened need for the GGT enzyme in these tissues.

It points to a need to examine the efficiency of bile flow, the health of liver cells, and the body's ability to process substances effectively, as these systems are clearly under considerable and continuous activity.

This level can signal that these vital organs are working much harder than typical to maintain internal balance.

Your daily habits, from what you eat to how you manage stress and sleep, significantly influence your body’s cellular balance and, by extension, your Gamma-Glutamyl Transferase (GGT) level. With a GGT of 374 U/L, your body is signaling high cellular activity.

Specific changes that support cellular balance include consistently prioritizing whole, unprocessed foods rich in antioxidants, such as brightly colored fruits and vegetables, to help protect cells. Regular, moderate physical activity can also aid metabolic health.

Furthermore, consistent stress reduction techniques, adequate quality sleep, and ensuring proper hydration are crucial in helping your body manage its internal workload and support cellular recovery, aiming to reduce the sustained demand reflected by this elevated GGT.

When to See a Doctor About Gamma-Glutamyl Transferase (GGT) 374 U/L

When your Gamma-Glutamyl Transferase (GGT) level is reported as 374 U/L, it is a clear indicator that your body’s internal systems, particularly those involving detoxification and cellular processing, are highly active.

This significantly elevated reading warrants a prompt discussion with your healthcare provider. A single blood test provides a snapshot, but interpreting a value as high as 374 U/L requires medical expertise to understand its full context within your overall health profile.

Your doctor can help determine what might be contributing to this elevated GGT, whether it's related to lifestyle factors, medications, or other underlying conditions that influence cellular activity. They can guide you through any necessary additional tests to explore the root cause of this pronounced enzymatic activity.

This proactive approach ensures you receive personalized information and support to understand your body's signals and maintain your well-being. Do not hesitate to reach out to your healthcare team to discuss this result and develop a clear plan moving forward.

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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.

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