Diet & nutrition
Choosing the Right Types of Fat for Your Diet
What We’ll Cover:
  • The importance of whole foods
  • How to replace ultra-processed foods the right way
  • Choosing the right fats

Choosing the right fats isn’t about cutting out entire food groups but about making mindful, informed swaps that prioritise health. This article explores how to include heart-healthy fats in your diet while reducing less helpful ones, with a focus on food quality, nutrient balance, and long-term sustainability.

The Importance of Whole Foods

The source of your fats matters as much as the type. Whole foods such as nuts, seeds, oily fish, and avocados are rich in unsaturated fats, and come packed with other essential nutrients. For example:

  • Dairy fats: Whilst containing saturated fat alongside protein, calcium, B12 and many other essential nutrients, some research has shown dairy fats to have a protective effect on heart health.
  • Oily fish: Rich in omega-3 fatty acids, which help to reduce inflammation and lower triglycerides.
  • Plant-based fats: Such as avocados, nuts, and seeds are a rich source of unsaturated fats, protein, and antioxidants.

Replacing Ultra-Processed Foods

Removing unhealthy saturated fats coming from processed foods is an important step, but what you replace them with is just as important. Substituting these fats with refined carbohydrates, such as white bread or sugary cereals, can lead to:

  • Blood sugar spikes and crashes, leaving you feeling fatigued and hungrier.
  • Increased triglycerides; raising the risk of heart disease.
  • Weight gain and inflammation, worsening overall health outcomes.

The key takeaway? Removing processed fats is important, but the real benefits come from replacing them with wholesome, nourishing alternatives.

Balancing Fats in Your Diet

Many foods naturally contain a mix of saturated and unsaturated fats. A balanced diet doesn’t mean cutting out saturated fat completely; instead, it’s about ensuring that unsaturated fats make up the majority of your fat intake. Here are some practical tips to help you achieve this balance:

  • Prioritise plant-based fats: Plant-based sources of fat tend to be higher in unsaturated fats than animal fats, with the exception of seed oils.
  • Focus on whole foods: Prioritise fresh, whole ingredients over highly processed options such as ready meals, processed meats and fast food.
  • Reduce ultra-processed foods: Avoid replacing unhealthy fats with nutrient-poor carbohydrates and and low-fat products with added sugars.

Practical Tips for Long-Term Success

To make lasting changes, it’s important to build sustainable habits:

  1. Plan meals around whole foods: Base your meals on vegetables, whole grains, and heart-healthy fats.
  2. Snack smarter: Keep nuts, seeds, and fresh fruit handy to reduce reliance on processed snacks.
  3. Cook at home: Preparing your meals allows you to control the type and quality of fats that go into your diet.
  4. Be mindful of portions: Even healthy fats are calorie-dense, so moderation is important for managing your weight.

Summary

Choosing the right fats for your diet isn’t about extremes; it’s about balance and quality. By prioritising unsaturated fats, embracing whole foods rich in nutrients, and cutting back on processed options, you can create a diet that supports your heart health, improves cholesterol levels, and promotes long-term well-being. Remember, small, consistent changes add up to meaningful health improvements over time.

February 19, 2025
Written by
Robbie Green RD
Reviewed by
Catherine Hyatt

References

Drouin-Chartier JP, et al. "Impact of dairy consumption on cardiovascular health." Advances in Nutrition. 2016; 7(5):900–908.

Dehghan M, et al. Prospective Urban Rural Epidemiology (PURE) study investigators. "Associations of fats and carbohydrate intake with cardiovascular disease and mortality in 18 countries from five continents (PURE): a prospective cohort study." Lancet. 2017 Nov 4;390(10107):2050–2062. doi: 10.1016/S0140-6736(17)32252-3.

Jakobsen MU, et al. "Major types of dietary fat and risk of coronary heart disease: A pooled analysis of 11 cohort studies." The American Journal of Clinical Nutrition. 2009; 89(5):1425–1432.

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