Olive oil is a nutrient-rich oil known for its flavour and health benefits. Packed with monounsaturated fats and antioxidants, it is traditionally believed to support heart health and reduce inflammation. Research suggests that it may help improve cholesterol levels, but it should be used as part of a balanced diet. Due to its moisturising and nourishing properties, olive oil also plays a significant role in the cosmetics industry, being a common ingredient in skincare creams and oils. Olive oil comes in various types, including virgin, extra-virgin, and light, each with a distinct taste and nutrient profiles. Choosing the right kind can complement a healthy, balanced diet.
Last updated on : 14 Sep, 2025
Read time : 16 mins
Olive oil is extracted from olives, which were originally cultivated in the Mediterranean region. It is a liquid fat obtained by pressing whole olives. While commonly used in cooking, olive oil also has a variety of other applications.
Rich in monounsaturated fats and antioxidants, olive oil may support heart health, help reduce inflammation, and contribute to skin health with potential anti-ageing properties. It is also a good source of vitamins E and K.
Olive oil is an oil extracted from the fruit of the olive tree, Olea europaea L, which mainly grows in the Mediterranean continent. Originally, it has been associated with Mediterranean cultures and has been grown for millennia. Currently the major producers are Spain, Italy and Greece because this fruit has cultural and economical importance.
Feature | Details |
What is Olive oil? | Liquid pressed from whole olives, rich in monounsaturated fats and antioxidants. |
Origin |
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Alternative Names | Extra Virgin, Virgin, Refined, Olive Pomace, Light Olive Oil, Cold pressed. |
Nutritional Value | Per 1 tablespoon: 119 kcal, 14g total fat (10g monounsaturated, 2g saturated), 1.9mg Vitamin E, 8.1 mcg Vitamin K. |
Chemical Composition |
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Common Uses |
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Health Benefits | Olive oil is believed to support heart health and reduce inflammation, thanks to its high content of monounsaturated fats and antioxidants. It may also support healthy weight management when used as part of a balanced diet. |
Forms Available | Extra Virgin, Virgin, Light, Extra Light, Lampante (inedible). Extra Virgin is the highest quality. |
Recommended Dosage | 1-2 tablespoons for consumption a day; a few drops for skin application. |
Precautions | Overuse may cause diarrhoea, and it may provoke allergic reactions in some. Store it in cool, dark places. |
Side Effects |
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Interactions with Other Drugs |
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Storage | Keep at 23°C, away from light, heat, and air. |
Olive oil is known by several alternative names and variations, reflecting its different uses and qualities. Here are some common terms associated with olive oil:
Component | Description | Percentage/Content | Benefits/Properties |
Unsaturated Fatty Acids | Primarily oleic acid | 65-83% | Main nutritional component |
Tocopherols | Vitamin E | Minor compound | Antioxidant properties |
Phenolic Compounds | Various antioxidants | Minor compound | Anti-inflammatory, antimicrobial |
Phytosterols | Plant-based sterols | Minor compound | Cardioprotective properties |
Carotenoids | Organic pigments | Minor compound | Antioxidant properties |
Other Bioactive Compounds | Various minor components | Trace amounts | Contribute to flavour and aroma |
Nutrient | Quantity (per 1 tablespoon) |
Calories | 119 kcal |
Total Fat | 14 g |
Saturated Fat | 2 g |
Monounsaturated Fat | 10 g |
Polyunsaturated Fat | 1.5 g |
Vitamin E | 1.9 mg |
Vitamin K | 8.1 mcg |
There are several benefits and uses of olive oil for the health of a user. It also helps manage the levels of bad cholesterol and prevent cardiovascular diseases.
Daily consumption of olive oil is associated with a reduced number of incidences of certain chronic diseases, including diabetes and certain forms of cancer. Olive oil can be used in a diet to improve health and support a healthy lifestyle.
The research indicates many potential health benefits of olive oil, particularly for heart health and overall wellness:
Olive oil is rich in monounsaturated fatty acids, particularly oleic acid, which research suggests may help maintain healthy cholesterol levels. Some studies suggest that olive oil can lower LDL (bad cholesterol) and increase HDL (good cholesterol), thereby supporting overall heart health when incorporated into a balanced diet. Several studies have also concluded that regular use of olive oil can help lower blood pressure, a leading independent risk factor for heart disease and stroke. Olive oil is also high in polyphenols, which play a key role in heart health by preventing the oxidation of LDL cholesterol.
The antioxidants found in olive oil lower inflammation; therefore, patients are not affected by diseases like chronic diseases. Chronic inflammation is associated with a number of diseases such as arthritis, cancer and cardiovascular diseases. Olive oil has a chemical called oleocanthal that works in the body as an anti-inflammatory agent like ibuprofen. Inflammation is thought to play a role in the development of many diseases and therefore consuming olive oil may help to decrease inflammation in the body.
Olive oil enhances the essential cognitive abilities of a person and it may also reduces the chances of neurodegenerative diseases like Alzheimer’s. Polyphenols found in olive oil have been linked to better memory and lower chances of developing dementia and Alzheimer’s disease. Research indicates that the Mediterranean diet that is heavy in olive oil may slow down the progression of Alzheimer’s disease. The polyphenols in olive oil may reduce inflammation and oxidative stress to brain cells and thus help to reduce the risk of neurological diseases.
Olive oil is suitable for a patient’s health as it has an extra percentage of fats, making the patients who take it lose weight quickly due to the enhanced satiety. To some extent, it would be paradoxical that high-fat food can help people lose weight, but it also applies to olive oil. Olive oil contains monounsaturated fats, which are good because they can make you feel full for long periods. This, in turn, can lead to reduced total calorie consumption. Also, olive oil can increase the metabolic rate and improve the process of lipolysis, the breakdown of fats. However, it is necessary to remember that olive oil should be included in moderation daily nutrition rations.
Olive oil pain relief comes due to its antimicrobial properties, thereby reducing risks of infection and pain. Olive oil has antimicrobial constituents, such as oleuropein and hydroxytyrosol. These compounds have proven effective against different bacteria, viruses, and fungi. The antimicrobial properties of olive oil are likely to be effective for oral and topical administration. In topical use, olive oil may aid in the reduction of skin infections and aid in the healing of wounds.
How to apply olive oil on the face at night? Well, 1 tablespoon of olive oil should be taken on the palm and gently rubbed on the face in a circular motion to help remove wrinkles. And it is always a night cream. Olive oil also contains vitamins A, D, E, and K, which are beneficial for skin health. Olive oil contains antioxidants that may help protect the skin from oxidative stress, a contributor to skin ageing. While some studies suggest olive oil may improve skin texture and hydration, more research is needed to understand its effects on wrinkles and skin firmness. It can also be used to improve the skin’s glow. It is also used as a natural moisturiser for the skin, as it helps hydrate and soften it.
Extra virgin olive oil has benefits for the gastrointestinal system. It could improve digestion by encouraging the growth of the proper bacterial flora in the stomach. The monounsaturated fats in olive oil can also decrease inflammation in the gut, which might improve some signs of ulcerative colitis. In some recent research, olive oil helps prevent the formation of gallstones by increasing the production of bile and enzymes in the pancreas. Extra virgin olive oil is also known to control Helicobacter pylori growth, known to contribute to stomach ulcers. Additionally the mild laxative effect of olive oil may help ease constipation when taken at night.
Another lesser-known health advantage of olive oil is that it may benefit bone health. There is also evidence that specific components like polyphenols and oleuropein in olive oil can help check bone density decline. This could be particularly helpful in elderly people experiencing risk factors for osteoporosis. Olive oil may also possess anti-inflammatory effects, which can assist in preventing the risk for rheumatoid arthritis, which is a disease affecting the joints.
Although further research is still needed, some investigations have indicated that olive oil contains anti-cancer compounds. Olive oil contains antioxidants and anti-inflammatory compounds, including oleocanthal, that have revealed properties that can hinder the growth of cancer cells. The high level of oleic acid in olive oil has also been shown to lower the risk of some cancers, such as breast cancer.
Consumption of olive oil in the average population can also be beneficial in controlling diabetes by increasing insulin sensitivity. Olive oil is helpful for diabetics because the monounsaturated fats it contains aid in controlling blood glucose levels and the body’s use of insulin. There is evidence that points to the fact that people who take foods that are associated with a Mediterranean diet, especially olive oil, can cut the risk of getting type 2 diabetes by as much as 50%.
Olive oil benefits are widely known. It is a multi-purpose commodity with extraordinary purposes for cooking, health, beauty, and even some other household uses. Majority of olive oil uses are on behalf of its olive oil application in various fields like:
Olive oil is a kitchen favourite, used for everything from salad dressings to frying. Rich flavour with health benefits makes olive oil the ideal choice for the following dishes:
Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice. Always consult a qualified healthcare practitioner before using it on your skin.
Extra virgin olive oil is known not to harm people's health when taken in moderate quantities. However, some potential side effects can include:
If consumed in large amounts, olive oil can cause many stomach upsets, especially in people with delicate stomachs. These problems can result in acute diarrhoea, unpleasant swelling, and, in some situations, stomach pain. This substance is rich in fats, which can slow down the body's absorption process, resulting in these symptoms. Also, it’s for those with existing conditions like IBS or IBD, the effects can be worse and might lead to flare-ups. Olive oil should be taken gradually into the body because some people cannot tolerate it, and hence the digestive complications.
Olive oil allergies are rare, but possible and if they occur, they can cause severe health issues. People with a history of an allergic reaction to olives or any member of the Oleaceae family that includes ash, lilac, and jasmine, are more vulnerable to an allergic reaction to olive oil. The signs may be as simple as rash, itching, or hives or as severe as shortness of breath, swelling of the throat or tongue, and anaphylaxis in the worst-case scenario. For those people who are aware of their sensitivity to plants, they should be careful when they are using olive oil and if they develop any symptoms they should see an allergist. This often poses additional problems for consumers because cross-reactivity with other food allergens can also occur.
Healthy as it is, olive oil is incredibly calorific; it has around 120 calories in just one tablespoon. Overindulgence without regard for the general diet can lead to a lot of unnecessary pounds being put on. This is especially the case with persons who frequently use olive oil when preparing foods or when dressing salads without considering the energy density. However, these extra calories if consumed daily will add up to a significant amount and hence contribute to a rise in body weight, thus counteracting the benefits of the oil. In order to not face this problem, it is recommended to use olive oil moderately and include it in the diet plan, watching the number of calories it brings to prevent excess weight.
The interaction of olive oil with medications can vary:
They may also increase the effects of medications such as warfarin that are used to thin the blood because olive oil is rich in vitamin K. This may possibly lead to the development of bleeding complications.
Several research indicates that olive oil could have a positive impact on blood sugar regulation, which may well influence diabetic medications. Supervision is recommended for patients who use such drugs.
It has been established that olive oil affects cholesterol. It may increase the efficacy of statins or other cholesterol-lowering drugs when taken concurrently, although this should be controlled.
Olive oil is a powerhouse with numerous health benefits, from supporting heart health to enhancing skin vitality. Whether used in cooking, skincare, or as a natural remedy, its benefits are well-documented. By choosing high-quality extra virgin olive oil and using it in moderation, you can maximise its health potential.
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