Unlike the fat you can pinch under your skin, visceral fat builds up deep inside your abdomen, wrapping around vital organs such as your liver, pancreas, and intestines. This “hidden fat” is far more harmful than it looks.
Visceral fat is a silent health threat: you might appear healthy on the outside but still have too much internal fat, putting pressure on your organs. It’s linked to some of the most serious conditions, from heart disease and diabetes to stroke and even certain cancers. The good news is that, with lifestyle changes, it can be reduced.
What is Visceral Fat?
- Subcutaneous fat: The soft, pinchable fat just beneath the skin. It tends to accumulate in the hips, thighs, or under the arms and is less harmful.
- Visceral fat: The deeper fat stored around internal organs in the abdominal cavity. It can’t be easily seen or felt, but it’s metabolically active, meaning it releases inflammatory substances and hormones that disrupt the body’s normal functions.
A certain amount of visceral fat is necessary to cushion organs, but when levels rise too high, it starts to cause problems. Research published by Harvard Health shows that people with excess visceral fat have higher risks of type 2 diabetes, high blood pressure, insulin resistance, heart disease, fatty liver disease, and dementia.
How Visceral Fat Affects Your Health
Visceral fat acts like an endocrine organ, producing hormones and inflammatory molecules that can harm the body over time.
- Insulin resistance: Visceral fat releases fatty acids and cytokines that interfere with insulin’s ability to regulate blood sugar, paving the way for diabetes.
- Chronic inflammation: The fat triggers low-grade inflammation throughout the body, which contributes to heart disease, stroke, and certain cancers.
- Liver strain: It can cause fat accumulation in the liver (non-alcoholic fatty liver disease), which can affect how the body processes fats and sugars.
- Hormonal disruption: High visceral fat alters the balance of hormones such as cortisol and leptin, which regulate appetite, mood, and metabolism.
How to Know if You Have Too Much Visceral Fat
You can’t see visceral fat, but you can estimate it through body measurements and lifestyle indicators.
- Waist circumference: For most adults, a waist size over 94 cm in men or 80 cm in women suggests excess visceral fat.
- Body shape: People with “apple-shaped” bodies (carrying more weight around the midsection) are more likely to have higher visceral fat than those with “pear-shaped” bodies (weight in hips and thighs).
- Imaging scans: The most accurate way to measure visceral fat is with CT or MRI, though these are rarely needed unless medically indicated.
Causes of Visceral Fat Accumulation
Fat tends to build up for several reasons, including lifestyle and genetics:
- Poor diet: High intake of processed foods, sugary drinks, alcohol, and refined carbohydrates can increase fat storage around organs.
- Physical inactivity: A sedentary lifestyle reduces calorie burn and lowers muscle mass, slowing metabolism.
- Chronic stress: Elevated cortisol (the stress hormone) promotes fat storage in the abdominal region.
- Lack of sleep: Research links short sleep duration (less than 6 hours per night) to increased visceral fat.
- Age and hormones: As people age, muscle mass decreases, and metabolism slows, which can encourage fat gain. In women, hormonal shifts during menopause can increase belly fat even without weight gain.
How to Lose Visceral Fat Safely
Focus on Nutrition, not Restriction – Crash diets don’t work long-term and can slow metabolism. Instead, aim for a balanced eating pattern:
- Increase whole foods such as vegetables, fruit, whole grains, lean proteins, and healthy fats (like olive oil and avocado).
- Limit added sugars, refined carbohydrates, and processed snacks that spike insulin and promote fat storage.
- Prioritise fibre-rich foods, as they help you feel full, stabilise blood sugar, and support gut health.
Reduce Alcohol Intake
Excess alcohol is a major contributor to belly fat, often referred to as “beer belly”. Try limiting consumption to occasional, moderate amounts, and opt for water or sparkling water between drinks.
Get Moving Every Day
Physical activity is one of the most effective ways to reduce visceral fat.
- Aerobic exercise: Brisk walking, cycling, jogging, or swimming for 30–45 minutes a day helps burn deep abdominal fat.
- Strength training: Building muscle boosts metabolism and increases the body’s ability to burn fat even at rest.
- High-Intensity Interval Training (HIIT): Short bursts of intense activity followed by rest are especially effective for targeting visceral fat.
Manage Stress Levels
Chronic stress triggers the release of cortisol, which increases appetite and encourages fat storage in the abdominal area. Try deep breathing, meditation, yoga, or even simple outdoor walks to manage stress naturally.
Sleep Well
Poor sleep increases cravings for high-calorie foods and disrupts metabolism. Aim for 7–9 hours of quality sleep each night. Create a bedtime routine, avoid screens before bed, and keep your sleep environment cool and dark.
Stay Consistent
Visceral fat doesn’t disappear overnight. It can take several months of consistent effort to see results, but even modest weight loss (5–10% of body weight) can significantly reduce harmful abdominal fat and improve health markers.
Visceral fat is more than just a cosmetic issue; it’s a serious health risk that affects your whole body. The good news is that it responds quickly to healthy lifestyle changes, and can be reduced faster than surface fat. Affinity Health offers 24/7 telehealth GP consultations, managed doctor visits, and access to a wide healthcare network to help you manage your weight and stay healthy.
