Yes, it's very healthy to cook with olive oil daily, as it's rich in heart-healthy monounsaturated fats, antioxidants, and anti-inflammatory compounds, linked to lower heart disease risk, improved cholesterol, and better brain function, making it a cornerstone of the Mediterranean diet. It's stable enough for most home cooking like sautéing, roasting, and shallow frying, but for very high-heat deep frying, some prefer refined olive oil or other oils like avocado oil, though studies show EVOO remains stable.
Olive oil is perfectly fine to cook with daily. It's one of the most researched oils and has fantastic experimental results. If you were going to cook daily with oil, arguably olive oil is one of the best choices.
The healthiest cooking oils are generally those high in monounsaturated (MUFAs) and polyunsaturated (PUFAs) fats, like Extra Virgin Olive Oil (EVOO) for heart health and antioxidants, and Avocado Oil for high-heat versatility and MUFAs, while Canola Oil is a good low-saturated-fat everyday option. EVOO is best for dressings and low-heat, while High-Oleic Sunflower Oil, Avocado Oil, and light olive oil suit higher heat; avoid excessive coconut/palm oils due to saturated fat.
If an oil is heated beyond its smoke point, it gives off toxic smoke. Because olive oil has a low smoking point, cooking with olive oil runs the risk of creating smoke that contains compounds that are harmful to human health. You may not even notice that you are breathing in this toxic smoke.
and Warnings
Up to 1 liter of extra virgin olive oil weekly has been used safely as part of a Mediterranean-style diet for up to 5.8 years. Olive oil is usually well-tolerated. It might cause nausea in a small number of people.
The worst cooking oils for health are generally those high in saturated fats (like palm oil, coconut oil, butter) and highly processed vegetable/seed oils (like soybean, corn, sunflower, safflower, grapeseed, cottonseed oil) which are unstable and form harmful compounds at high heat, potentially raising bad cholesterol (LDL) and contributing to inflammation or disease. Partially hydrogenated oils, containing artificial trans fats, are especially bad and should be avoided, though largely removed from products.
Also, olive oil intake significantly but slightly increased serum LDL-cholesterol in those with hyperlipidemia (MD: 0·91 mg/dl, 95 % CI (0·23, 1·50); n 9) as compared with those with normal blood lipids.
For a long time, Extra Virgin Olive Oil (EVOO) has been a prized ingredient in top-notch cooking, known for its ability to enhance the flavors of various dishes. Chefs all around the globe highly value it and incorporate it into their sauces and dressings to mingle and intensify the tastes.
Nearly every Ramsay recipe, from his early days on Boiling Point to Uncharted and the current critic's darling, Scrambled starts with "just a drizzle" of his beloved EVOO. Ramsay knows that "liquid gold" packs flavor and healthy fats into every bite; he does not miss an opportunity to use it liberally.
When choosing a cooking oil, it's best to choose an oil high in poly and/or mono-unsaturated fats, which are heart-healthy fats derived foods such as olives, seeds, nuts and vegetables. Olive oil, which is high in monounsaturated fats, is a particularly beneficial choice for heart health.
Both olive oil and avocado oil are considered good fats and are an excellent source of monounsaturated fatty acids, which can help improve heart health. On the other hand, olive oil is slightly more nutritious on the whole because it contains more potassium, calcium, iron and vitamins.
Olive oil in its purest and least processed form is called extra virgin olive oil. This is the healthiest kind, as it still has all or most of its nutritional benefits. And, unlike other unrefined oils, it's safe to cook with extra virgin olive oil.
Cardiologists strongly recommend olive oil, especially extra virgin, as a heart-healthy fat because its monounsaturated fats and antioxidants improve cholesterol, lower inflammation, and reduce risks of cardiovascular disease (CVD) and overall mortality, often recommending it as a substitute for butter, margarine, and other saturated fats within a Mediterranean diet framework. Research consistently shows benefits from using more than half a tablespoon daily, linking it to lower risks of heart attacks, strokes, and even neurodegenerative diseases.
The Mediterranean diet includes consuming antioxidant-rich extra-virgin olive oil. The proven health benefits of this “liquid gold” are numerous. They include lowering the risk of cardiovascular disease, dementia, and cognitive decline.
The flavor compounds in olive oil are delicate and will evaporate when heated. Heating olive oil does not damage the health benefits but it will make the olive oil lose some flavor. Some people consider this to be a good thing as they do not want their foods to taste like olive oil.
Michelin Star chefs are always on the lookout for the best ingredients to elevate their dishes, and cooking oils are no exception. Oils like algae oil, Zero Acre oil, and extra virgin olive oil (EVOO) are favored for their ability to enhance flavor.
Cardiologists generally advise avoiding processed meats, sugary drinks and sweets, and foods high in trans fats and sodium, like most fried foods and salty snacks, because they raise bad cholesterol, blood pressure, and inflammation, significantly increasing heart disease risk. Focusing on whole foods and limiting these culprits is key for heart health.
A source of antioxidants
Olive oil contains potent antioxidants, like polyphenols and vitamin E. These compounds help fight oxidative stress in the body by neutralizing harmful free radicals. This process can protect your cells from damage and may reduce the risk of chronic diseases.
The healthiest cooking oils are generally those high in monounsaturated (MUFAs) and polyunsaturated (PUFAs) fats, like Extra Virgin Olive Oil (EVOO) for heart health and antioxidants, and Avocado Oil for high-heat versatility and MUFAs, while Canola Oil is a good low-saturated-fat everyday option. EVOO is best for dressings and low-heat, while High-Oleic Sunflower Oil, Avocado Oil, and light olive oil suit higher heat; avoid excessive coconut/palm oils due to saturated fat.
While olive oil, in moderation, can help relieve digestive disorder symptoms, like bloating and constipation, especially in those with inflammatory bowel conditions, ingesting too much can actually trigger gastrointestinal discomfort, such as diarrhea and bloating, says Arsenault.
To remove cholesterol from your body, adopt a heart-healthy lifestyle by eating more soluble fiber (oats, beans, fruits) and healthy fats (olive oil, fish), exercising regularly (30 mins most days), losing excess weight, quitting smoking, and limiting alcohol, as these changes lower bad LDL cholesterol and raise good HDL cholesterol, with some people needing medication for more severe cases.