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The Simple Olive Oil Health Swap Guide 🫒

December 20, 2025 3 min read

The Simple Olive Oil Health Swap Guide 🫒

Small changes. Big impact on long-term health.

Extra virgin olive oil (EVOO) isn’t just a culinary choice - it’s one of the most studied foods in the world for health and longevity. Replacing less healthy fats with olive oil is a simple, evidence-backed upgrade you can make every day.

Below are easy, like-for-like swaps with quantities -no complicated math required, plus the science behind why they matter - explained simply.

Upgrade your fats without changing how you cook

Extra virgin olive oil (EVOO) is rich in polyphenols and monounsaturated fats, which are strongly linked to heart health, reduced inflammation, metabolic health, and longevity. 

🧈 Swap Butter for Olive Oil

Best for: sautéing, roasting, baking, finishing dishes

How to swap

  • 100g butter → 75ml extra virgin olive oil
  • 1 tbsp butter tsp extra virgin olive oil

Tip:
For baking, olive oil works beautifully in cakes, breads, brownies, and savoury bakes.

Why it’s better (the science, simply):
Butter is high in saturated fat, which in excess is linked to increased cardiovascular risk. Olive oil is rich in monounsaturated fats and polyphenols - compounds shown to reduce inflammation and support heart health.

🧠 Evidence highlight:
Large population studies consistently show lower rates of heart disease when saturated fats are replaced with olive oil rather than carbohydrates or processed oils.

🧴 Swap Seed Oils for Olive Oil

(Sunflower, rapeseed, corn, soybean, “vegetable oil”)

How to swap

  • 1 tbsp seed oil → 1 tbsp olive oil (1:1)

Tip:
Use olive oil for shallow frying, oven roasting, and dressings - yes, it’s heat-stable (especially when properly filtered and not chemically refined) and suitable for cooking.

Why it’s better:
Many seed oils are highly refined and stripped of protective compounds. Extra virgin olive oil is mechanically extracted and naturally rich in antioxidants that protect fats from oxidation - even during cooking.

🔥 Yes, you can cook with it:
Studies show extra virgin olive oil is heat-stable and produces fewer harmful compounds when heated compared to many refined seed oils.

🥓 Swap Margarine or Spreads for Olive Oil

Best for: toast, vegetables, grains, pasta

How to swap

  • 1 tbsp margarine → 1 tbsp olive oil

Why it’s better:
Margarines are ultra-processed foods. Olive oil is a whole food with thousands of years of use and modern clinical evidence to match.

💡 Easy upgrade:
Drizzle olive oil on toast with sea salt, tomato, or honey - simple, satisfying, delicious and nourishing.

🥥 Swap Coconut Oil for Olive Oil (Most of the Time)

Best for: everyday cooking

How to swap

  • 1 tbsp coconut oil → 1 tbsp olive oil

Why it’s better:
Coconut oil is very high in saturated fat. Olive oil has been repeatedly associated with lower risk of cardiovascular disease and all-cause mortality.

🥥 When coconut oil still makes sense:
Use it occasionally when you want the flavour - not as your daily default.

🥗 Upgrade Salad Dressings & Finishing Oils

Instead of creamy or bottled dressings

How to swap

  • Bottled dressing → 1–2 tbsp olive oil + lemon juice or vinegar

Why it’s better:
Olive oil helps your body absorb fat-soluble vitamins (A, D, E, K) from vegetables, while avoiding added sugars and preservatives found in most dressings.

How Much Olive Oil Is Backed by Science?

Landmark Mediterranean diet studies suggest:

👉 2–4 tablespoons of extra virgin olive oil per day

This level of intake is associated with:

  • Reduced risk of heart disease

  • Lower inflammation markers

  • Improved metabolic health

  • Increased longevity

This isn’t about adding more calories - it’s about choosing better fats.

Light, Trustworthy Scientific References

(Written for curious humans, not academics)

The Bottom Line

 

If you change just one thing in your kitchen, make it this:

➡️ Replace processed and saturated fats with high-quality extra virgin olive oil.

It’s one of the most research-backed, affordable, and enjoyable health upgrades you can make - and one that supports traditional farming and sustainable food systems at the same time.