Understanding fatty liver disease with
Dr Martin Whyte
Fatty liver disease occurs when excess fat builds up inside the liver cells. Historically, this condition was called Non-Alcoholic Fatty Liver Disease (NAFLD). However, the medical community recently updated the terminology to Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD). This new name more accurately reflects the fact that the condition is driven by metabolic issues. As a consultant specialising in metabolic medicine, Dr Martin Whyte provides expert care for patients across the spectrum of this disease, including the more advanced inflammatory stage known as Metabolic Dysfunction-Associated Steatohepatitis (MASH).
The scale of the issue in the UK
Metabolic liver disease is a growing public health concern. Current data shows that MASLD (formerly NAFLD) is estimated to affect up to 1 in 5 people in the UK. Rates are increasing in line with rising levels of obesity. While most cases link directly to excess weight, it is a common misconception that only those with a high BMI are at risk. In reality, you can develop the disease even if you have a healthy weight, particularly if you have underlying metabolic vulnerabilities.
How metabolism affects the liver
The liver is the central engine of your metabolism. It processes nutrients, stores energy, and filters toxins. When your metabolic health declines, often due to insulin resistance or type 2 diabetes, the liver begins to store fat instead of processing it.
This process is frequently “silent,” meaning patients feel no pain or symptoms in the early stages. However, chronic fat accumulation leads to inflammation. If left unmanaged, this inflammation causes scarring (fibrosis) and can eventually progress to cirrhosis. Because the liver is a resilient organ, many patients only discover they have the condition during routine blood tests or scans for unrelated issues.
Identifying metabolic drivers
Several factors increase the likelihood of fat building up in the liver. Dr Martin Whyte focuses on these drivers to create an effective treatment plan:
- Insulin resistance: This is the primary driver of MASLD. When cells do not respond to insulin, the liver produces and stores more fat.
- Type 2 diabetes: High blood sugar levels create a direct metabolic pathway to liver fat accumulation.
- Lipid disorders: High levels of triglycerides and low levels of “good” cholesterol (HDL) put immense stress on liver function.
- Genetics: Specific genetic markers can cause some individuals to store liver fat regardless of their lifestyle or weight.
Diagnosis and specialist investigation
Because the disease is often asymptomatic, a formal diagnosis requires specialist investigation. Dr Martin Whyte uses advanced tools to assess the health of the liver and determine if scarring is present.
Non-invasive testing
A FibroScan is often the first step. This is a quick, painless ultrasound that measures liver stiffness and the percentage of fat in the organ. It provides immediate results without the need for an invasive biopsy. Alongside this, Dr Martin Whyte reviews Liver Function Tests (LFTs) and blood markers to assess the overall metabolic environment.
Metabolic profiling
Understanding why the liver is storing fat requires a full picture of your health. By checking your glucose levels, blood pressure, and lipid profile, Dr Martin Whyte identifies the specific metabolic failures contributing to the disease.
Treatment and management
The good news is that MASLD is often reversible, especially when caught early. Treatment aims to improve metabolic health so the liver can shed excess fat and heal.
Structured weight and dietary management
Losing a modest amount of body weight is the most effective way to reduce liver fat. Dr Martin Whyte provides evidence-based guidance on dietary changes that reduce the metabolic load on the liver.
Medical interventions
For many patients, addressing the underlying insulin resistance is key. Modern treatments, such as GLP-1 analogues, have shown excellent results in reducing liver fat while simultaneously managing weight and blood sugar. Dr Martin Whyte reviews each patient’s medication to ensure it aligns with liver health goals.
Addressing the metabolic syndrome
Effective treatment must also target blood pressure and cholesterol. By stabilising these factors, you reduce the systemic inflammation that drives liver damage.
Expert care with Dr Martin Whyte
Dr Martin Whyte’s extensive research into insulin action provides him with a unique perspective on liver health. He understands the molecular triggers that lead to fat storage and inflammation. His goal is to provide patients with a clear, sustainable plan to protect their liver and improve their overall metabolic health.
Whether you have an abnormal blood test result or are worried about your risk factors, seeking specialist advice is vital. Early intervention can stop the progression of the disease and protect your liver for the future.
Book a liver health assessment
If you are concerned about fatty liver disease or have been told you are at risk, professional help is available. Dr Martin Whyte offers private consultations at London Medical in Marylebone and the Guthrie Clinic at King’s College Hospital.
Contact the team today to book your appointment and take the first step toward a healthier liver.