 The liver performs hundreds of essential functions every day. It helps process nutrients, regulate blood sugar, produce bile, filter substances from the bloodstream, store energy, and support healthy hormone and immune function. When liver enzymes become elevated or someone is diagnosed with fatty liver disease, hepatitis, or cirrhosis, it is important to determine what is placing stress on the liver—and how much damage may already be present. Functional medicine does not replace care from a primary care physician, gastroenterologist, or hepatologist. Instead, it can complement conventional treatment by examining the metabolic, nutritional, digestive, lifestyle, medication-related, and inflammatory factors that may be contributing to the person’s overall health. Elevated Liver Enzymes Are a Signal, Not a Diagnosis Elevated liver enzymes may be discovered during routine bloodwork, even when a person feels well. Tests commonly evaluated include:
ALT and AST generally reflect liver-cell irritation or injury, while other markers provide information about bile flow and the liver’s ability to perform its normal functions. High liver enzymes may be associated with fatty liver disease, viral hepatitis, autoimmune disease, alcohol use, medication or supplement reactions, gallbladder or bile-duct conditions, metabolic dysfunction, and other health problems. The pattern and degree of elevation matter, which is why elevated enzymes should be medically evaluated rather than treated as a diagnosis by themselves. A functional medicine evaluation begins with a detailed health history, including medications, over-the-counter products, herbal supplements, alcohol use, metabolic health, viral-hepatitis risk, nutrition, symptoms, and previous laboratory or imaging results. This is consistent with the approach recommended by the American Association for the Study of Liver Diseases. Supporting Fatty Liver Disease Fatty liver disease is now commonly called metabolic dysfunction-associated steatotic liver disease, or MASLD. It occurs when excess fat accumulates in the liver and is often connected with insulin resistance, type 2 diabetes, elevated triglycerides, abdominal weight gain, high blood pressure, sleep apnea, and other metabolic concerns. Some people develop a more active form of the disease involving liver inflammation and fibrosis, or scarring. Functional medicine may help identify and address contributing factors such as:
For people who are overweight, gradual weight loss can reduce liver fat. Greater weight loss may also help reduce inflammation and fibrosis. Physical activity can be beneficial even when significant weight loss has not yet occurred. Rapid weight loss and malnutrition, however, can make liver disease worse, so the plan should be gradual and individualized. These recommendations are supported by the National Institute of Diabetes and Digestive and Kidney Diseases. The goal is not to recommend an extreme “liver detox.” It is to reduce the metabolic and inflammatory burden on the liver while helping the person build realistic, sustainable habits. Functional Medicine and Hepatitis“ Hepatitis” means inflammation of the liver, but it can have several different causes. These include viral hepatitis, autoimmune hepatitis, alcohol-related hepatitis, medication- or supplement-induced liver injury, and metabolic liver disease. Because the correct treatment depends on the cause, proper testing and diagnosis are essential. Hepatitis B and hepatitis C require conventional medical evaluation and, when appropriate, antiviral treatment. Functional medicine cannot eliminate these viruses and should never be used as a substitute for antiviral medication or specialist monitoring. Chronic hepatitis B requires ongoing care because treatment and monitoring can help reduce the risk of liver damage and liver cancer. The Centers for Disease Control and Prevention provides additional information about appropriate hepatitis care. Alongside medical treatment, supportive functional medicine care may focus on:
Autoimmune hepatitis also requires specialist-directed medical treatment. Nutrition and lifestyle support may help the person’s overall health, but they do not replace medications prescribed to control the immune attack on the liver. Supporting Someone With Cirrhosis Cirrhosis is advanced liver scarring that changes the structure of the liver and interferes with its ability to function. It can result from fatty liver disease, chronic viral hepatitis, alcohol-related liver disease, autoimmune conditions, and other causes. Cirrhosis is a serious medical condition and should be managed by a hepatologist or gastroenterologist. Conventional monitoring may include bloodwork, imaging, screening for liver cancer, evaluation for portal hypertension, and treatment of complications. Functional medicine’s role at this stage must be cautious and collaborative. Support may include:
People with cirrhosis are often advised to avoid prolonged fasting and may benefit from smaller, more frequent meals or an appropriate evening snack. Nutritional needs can vary considerably, however, especially when fluid retention, diabetes, kidney problems, or malnutrition are present. Alcohol should be completely avoided. Patients should also speak with their physician before taking any vitamin, herbal product, or dietary supplement. The NIDDK’s cirrhosis nutrition guidance emphasizes these important precautions. Why “Natural” Does Not Always Mean Liver-Safe One of the most important parts of a functional approach is reviewing everything the patient is taking. Certain herbs, concentrated extracts, bodybuilding supplements, weight-loss products, high-dose vitamins, and “detox” formulas can injure the liver or interact with medications. A product labeled natural is not automatically safe—particularly for someone with hepatitis, cirrhosis, or unexplained enzyme elevations. Patients should not stop prescribed medications on their own. Instead, they should bring a complete list of prescriptions, over-the-counter medications, vitamins, powders, teas, and herbal products to their healthcare providers for review. A Personalized, Collaborative Approach There is no single diet, supplement, or protocol that is appropriate for every person with liver disease. A thoughtful functional medicine plan considers:
Follow-up testing is also important. Improvement in symptoms does not necessarily mean that inflammation or fibrosis has resolved. Bloodwork, imaging, and specialist monitoring help determine whether the liver condition is stable, improving, or progressing. When Immediate Medical Attention Is Needed Seek prompt medical care for symptoms such as yellowing of the skin or eyes, increasing abdominal swelling, vomiting blood, black or bloody stools, new confusion, extreme drowsiness, fainting, severe abdominal pain, fever, persistent vomiting, unusual bleeding, or rapidly worsening weakness. These symptoms should not be managed with supplements or dietary changes at home. Supporting the Whole Person While Protecting the Liver Functional medicine can offer valuable support by identifying modifiable contributors, improving metabolic and nutritional health, and helping patients make sustainable changes. Its safest and most effective role is as part of a coordinated plan—not as a replacement for appropriate medical diagnosis, antiviral treatment, specialist monitoring, or emergency care. At 4 Winds Medicine, I take a personalized, whole-person approach to help uncover factors that may be placing additional stress on the body. When liver disease is present, recommendations are developed carefully and designed to complement the care provided by the patient’s primary physician or liver specialist. If you have elevated liver enzymes, fatty liver disease, or another diagnosed liver condition and would like additional support with nutrition, blood-sugar balance, lifestyle habits, and overall wellness, contact 4 Winds Medicine to schedule a consultation. This article is for educational purposes only and does not diagnose or treat any medical condition. Functional medicine services are not a replacement for care from a physician, gastroenterologist, hepatologist, or emergency medical provider. By Lara Aitken, DOM/CFMP
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 Author: Lara AitkenI am a dedicated holistic doctor and functional medicine practitioner with a passion for helping individuals achieve mental and physical wellness. Archives
August 2026
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