Heart Foundation Addresses Misinformation About Seed Oils

Australia’s leading cardiovascular health organization is tackling widespread misinformation about cooking oils during its annual awareness campaign. The Heart Foundation has made seed oils the focus of Heart Week 2026, responding to a growing tide of online myths about their health impacts.

Current scientific evidence continues to support that oils high in unsaturated fats—including common seed oils like canola, sunflower, and soybean—promote heart health when used as alternatives to saturated fats such as butter, coconut oil, and ghee.

Heart Foundation dietitian Nikita Kelly explains that much of the controversy surrounding seed oils stems from fundamental misunderstandings and misinterpretation of early research findings.

“Much of the fear around seed oils came from tightly controlled animal or laboratory studies, which doesn’t translate to real-world human diets,” Kelly said. “The most important fact is that seed oils don’t cause inflammation in humans.”

The foundation’s intervention comes amid a rising trend of social media content and alternative health advocates promoting saturated fats while demonizing seed oils—advice that runs counter to established nutritional science.

Kelly pointed out a critical distinction in the ongoing debate: “Seed oils themselves are not the problem. However, they’re often present in many ultra-processed foods that are high in salt, sugar and kilojoules which can lead people to incorrectly assume the oil is what makes those foods unhealthy.”

This nuanced reality has been lost in much of the online discourse, where seed oils have been blamed for various health conditions without substantive evidence. Nutrition experts worry that consumers may be making dietary changes based on misinformation rather than science.

Of particular concern to the Heart Foundation is the growing promotion of saturated fats as healthier alternatives. “When misinformation encourages the use of saturated fats such as tallow, butter and ghee, it increases the likelihood of choices that raise overall saturated fat intake, and over time, heart disease risk,” Kelly warned.

The confusion comes at a critical time for public health in Australia, where cardiovascular disease remains one of the leading causes of death. Dietary choices play a significant role in prevention strategies, making accurate nutritional information crucial for public health outcomes.

Nutrition scientists point out that the vilification of seed oils represents a concerning pattern of oversimplification in nutrition discourse. Complex nutritional science is reduced to “good versus bad” categorizations that fail to account for dietary context, preparation methods, and overall consumption patterns.

Kelly emphasized that focusing on individual ingredients misses the bigger picture: “It’s really easy to get caught up on singular foods and single nutrients, but what matters most for your heart health is your overall eating pattern.”

The Heart Foundation recommends incorporating healthy fats—including olive oil, avocado, peanut and seed oils—as part of a balanced, heart-healthy diet. This approach aligns with decades of nutritional research supporting the cardiovascular benefits of replacing saturated fats with unsaturated alternatives.

Heart Week serves as an annual opportunity for the organization to highlight pressing cardiovascular health issues. By addressing seed oil misconceptions this year, the foundation hopes to provide Australians with evidence-based information to make informed decisions about their diets.

Nutritional misinformation has become increasingly prevalent in the digital age, with social media algorithms often amplifying controversial claims regardless of their scientific merit. Public health organizations worldwide are grappling with how to effectively counter such misinformation while maintaining public trust in established nutritional guidelines.

As Heart Week 2026 approaches, the Heart Foundation plans to release additional resources to help Australians navigate confusing information about dietary fats and make choices that support long-term cardiovascular health.