NHS information · Abdomen

Worried about non-alcoholic fatty liver disease?

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This page summarises publicly available NHS information for educational purposes only. It is not medical advice or a diagnosis. Always consult a qualified healthcare professional.

What is non-alcoholic fatty liver disease?

Non-alcoholic fatty liver disease (NAFLD) is a build-up of fat in the liver not caused by alcohol. It's very common, especially in people who are overweight, have type 2 diabetes, or high cholesterol. Most early-stage NAFLD has no symptoms. Untreated, it can progress to inflammation, scarring, and eventually cirrhosis. Weight loss, diet, and exercise are the main treatments.

When NHS resources suggest seeing a GP

  • You think you could have non-alcoholic fatty liver disease.
  • You think you have a higher risk of getting non-alcoholic fatty liver disease.
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Self-care information from NHS

  • Eat a healthy, balanced diet.
  • Exercise regularly – aim to do at least 150 minutes of exercise a week.
  • Lose weight if you're overweight.
  • Do not drink too much alcohol – keep to the recommended limit of no more than 14 alcohol units a week.
  • Do not smoke.

Common questions

What are the symptoms of fatty liver disease?

Early NAFLD usually has no symptoms. As it progresses, some people feel a dull ache in the upper right abdomen, extreme tiredness, or weakness. Most cases are found by chance on blood tests or scans done for other reasons.

Can fatty liver disease be reversed?

Yes — early-stage NAFLD can often be reversed with weight loss (5–10% of body weight), a balanced diet, and regular exercise. Once scarring (fibrosis or cirrhosis) develops, changes become harder to reverse, so early action matters.

Is NAFLD linked to type 2 diabetes?

Yes, NAFLD is strongly linked to type 2 diabetes, obesity, and metabolic syndrome. Up to 70% of people with type 2 diabetes have some degree of fatty liver. Good blood sugar control and weight management help both conditions.

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This page is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional about your individual situation. NorMed organises publicly available NHS information and is not affiliated with the NHS.