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A nutritious breakfast: whole grain toast, avocado slices, a poached egg, and a side of fresh berries.

Fats, oils and heart health

Healthy living

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Healthy eating

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Fats, oils and heart health

Key takeaways

5 min read

  • The type of fat you eat is important – some are good for your heart, some are not.
  • Monounsaturated and polyunsaturated fats support heart health.
  • Saturated and trans fats can raise cholesterol and increase heart disease risk.
  • Choose healthy monounsaturated and polyunsaturated fats from foods like nuts, seeds, avocados, olives, and oily fish.

Include healthy fats and oils

Why are fats important for heart health?

Fats play an essential role in the body. However, the type of fat you eat has a significant impact of your blood cholesterol and overall heart health. Understanding which fats to include more of, and which to limit, can help you follow a heart-healthy eating pattern.

There are four main types of fats:

  1. Monounsaturated fats
  2. Polyunsaturated fats - omega 3’s and 6’s
  3. Saturated fats
  4. Trans fats

Healthy fats

Include more of these:

  • Monounsaturated fats – found in avocados, nuts, seeds, and olive oil.
  • Polyunsaturated fats (Omega 3 and 6 ) – found in oily fish, flaxseeds, walnuts, and certain oils like canola and sunflower.

Benefits:

  • Improve cholesterol levels
  • Lower blood pressure
  • Reduce inflammation

Unhealthy fats

Limit these:

  • Saturated fats – found in butter, coconut oil, palm oil, fatty cuts of meats and poultry skin, processed meats like salami and bacon, cream, cheese, cakes, pastries, many processed foods and takeaway foods.
  • Trans fats – found in deep-fried foods, baked goods, processed snacks and products with hydrogenated oils.

These fats raise bad (LDL) cholesterol and increase heart disease risk. Of all fats, trans fats are the most harmful.

How much fat should you be eating?

The type of fat you eat is more important than the total amount. Eating more healthy fats and limiting unhealthy fats is a key step towards a heart-healthy eating pattern.

How to get the right balance of fats

Small changes can make a big difference. Here are our top tips to make heart-healthy choices everyday.

  • Eat a handful of unsalted nuts (30g) daily.
  • Enjoy seafood 2–3 times per week.
  • Use healthy oils, store properly and choose the right oil for your cooking method.
  • Swap butter for avocado, tahini, nut butters or margarine from healthy oils.

Reduce biscuits, pastries, pizza, and deep-fried takeaways.

Remove visible fat and skin from meat and poultry.

Replace with tuna, eggs, legumes or lean meats.

Include beans, lentils or chickpeas in at least 2 meals per week.

Avoid products with ‘hydrogenated oils’.

Use healthy oils, nuts, seeds and vegetables in meals.

Looking for more information on the science behind our recommendations? 

We understand there is a lot of nutrition misinformation, and it’s important to find information from credible and trustworthy places. The Heart Foundation’s Heart Healthy Eating Pattern recommendations, and associated resources, are backed by the latest science and made with the unique needs of Australians in mind.

Curious about the evidence that informs our recommendations? Read more about our evidence reviews and position statements.

More healthy eating tools and resources
  • We have plenty of resources to help you follow a heart-healthy eating pattern.
  • Build your skills and confidence in the kitchen with our tips and tools for planning, shopping, and cooking healthy meals.
  • Explore our full range of recipes for delicious, budget-friendly and easy to prepare heart-healthy meals you can make at home.
  • Discover our collection of free recipe e-books, from ‘Family recipes on a budget’ to '5 Ingredient Recipes' plus many more.
  • Get four weeks of easy-to-follow dinner recipes, shopping lists, tips and other helpful information to make healthy eating easy with our free Heart-Healthy Dinner Plans.
  • Looking for more information? Explore our resources on healthy eating and recent articles.

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Last updated23 May 2025

Last reviewed23 May 2025