QUICK SUMMARY
The benefits of olive oil come from its monounsaturated oleic acid and the polyphenols retained in high-quality extra virgin olive oil. The strongest research supports olive oil for the heart: a 2022 meta-analysis of prospective studies found that higher intake was tied to lower cardiovascular and all-cause mortality. (1) It is also being studied for inflammation, gut health, brain and bone health, pregnancy, and skin care, with evidence that is promising but not equally strong for each. Olive oil does the most good when it replaces less nourishing fats in meals built on vegetables, herbs, and whole foods, so buy a fresh extra virgin oil from a source you trust.
The benefits of olive oil are profound, and it has enjoyed an enormous resurgence in popularity in recent years. Olives and olive oil are repeatedly mentioned in the Bible as tangible representations of provision, wealth, health, nourishment, and wholesomeness.
God described the Promised Land as “a land of olive trees and honey” (Deuteronomy 8:8), and Psalm 104:15 speaks of oil making a person’s face shine. Olive oil was food, medicine, fuel, skin care, anointing oil, and a valuable household resource.
Modern research is now helping us understand why this Biblical staple has served families so well for thousands of years. Extra virgin olive oil is not simply fat calories. It is a living food containing oleic acid, squalene, vitamin E, and a complex family of phenolic compounds such as hydroxytyrosol, oleuropein derivatives, oleacein, and oleocanthal.
These compounds do not turn olive oil into a cure-all, but they help explain why replacing more heavily refined fats with high-quality olive oil can support so many systems of the body.
Table of Contents
Understanding Healthy Fats: MUFAs vs. PUFAs
Wait, isn’t fat bad for me?
Most adults today grew up believing that eating less fat was the basic prescription for weight loss and heart health, but it did not always work. Many low-fat products simply replaced nourishing fats with refined flour, starch, gums, and sugar.
The truth is, there are good fats. Essential fats are necessary for metabolic function, cellular membranes, brain development, absorption of fat-soluble vitamins, hormone production, and healthy skin. Enjoy reasonable portions of healthy fats every day.
Fats should be viewed on a scale from more nutrient-dense and less processed to more refined and easily damaged. Olive oil sits very close to the top, especially when it is fresh, extra virgin, properly stored, and used in place of a less nourishing fat.
What Are MUFAs?
MUFAs are monounsaturated fatty acids. They have one double bond in their carbon structure, which generally makes them more resistant to oxidation than fats with several double bonds.
Extra virgin olive oil is rich in oleic acid, a MUFA. Avocado oil and canola oil also contain substantial amounts of MUFAs.
MUFAs work beautifully for:
- Salad dressings
- Marinades
- Dipping oils
- Sautéing
- Roasting
- Baking
- Finishing vegetables, soups, meats, and grains
What Are PUFAs?
PUFAs are polyunsaturated fatty acids. Omega-3 and omega-6 fatty acids are both PUFAs, and both have important roles in the body.
The concern is not that every PUFA is bad. The concern is that oils high in PUFAs contain more double bonds and can oxidize more readily when they are repeatedly heated, stored poorly, heavily refined, or exposed to light and air for long periods.
Corn, soybean, sunflower, safflower, and many products simply labeled “vegetable oil” are often high in omega-6 linoleic acid. These oils are also common in ultra-processed foods, commercial frying, and restaurant meals.
Our preference is to minimize heavily refined oils and get essential PUFAs from whole or gently processed foods such as wild fish, chia, flax, hemp, walnuts, and other nuts and seeds.
What About Saturated Fat?
Saturated fats have no double bonds, making them naturally stable. Coconut oil, butter, ghee, tallow, and lard contain different proportions of saturated and unsaturated fats.
Coconut oil is not high in MUFAs. It is primarily saturated fat. Butter is also rich in saturated fat and contains fat-soluble compounds that vary according to the animal’s diet. Butter itself is not a probiotic food, although cultured butter may contain fermentation products before processing.
Saturated fats can have a place in a whole-food diet, especially when quality is high. We use each fat with wisdom.
Why Extra Virgin Olive Oil Is Different
Extra virgin olive oil is produced mechanically from sound olives without chemical refining. It must meet chemical and sensory standards, including limits for free acidity and the absence of sensory defects.
Regular products labeled simply “olive oil” are usually blends of refined olive oil and some virgin oil. They still provide oleic acid, but they generally contain fewer natural polyphenols and less flavor than a fresh extra virgin oil.
Polyphenol levels vary dramatically based on:
- Olive variety
- Ripeness at harvest
- Growing conditions
- Harvest and milling speed
- Filtration
- Storage time
- Exposure to heat, light, and oxygen
That peppery sensation in the throat is often a sign that the oil contains oleocanthal and related phenolic compounds. Bitter and peppery are not defects in a quality oil. They can be signs of freshness and bioactivity.
Can You Cook With Extra Virgin Olive Oil?
Yes. Extra virgin olive oil is suitable for most home cooking, including sautéing, baking, roasting, and moderate pan-frying.
Its high oleic-acid content and natural antioxidants give it meaningful oxidative stability. Heating does reduce some polyphenols, especially with prolonged high temperatures, but research does not support the common Internet claim that ordinary cooking instantly turns olive oil toxic. (2)
Use common sense:
- Do not leave oil smoking unattended.
- Do not repeatedly reuse oxidized frying oil.
- Use enough heat to cook the food, not more.
- Use fresh extra virgin olive oil raw when you want maximum flavor and polyphenols.
- Choose another stable fat when a recipe genuinely requires extreme or prolonged heat.
Try Our Favorite Olive Oil
Harvested FRESH from a different location around the globe, learn more about the Fresh Pressed Olive Oil Club and get your first bottle for $1 HERE!
5 Essential Health Benefits of Olive Oil
Amazing health benefits have been studied, but olive oil may be even more important for what it does not bring to the table when it replaces heavily refined fats.
Olive oil adds luxurious richness without the hydrogenated fats, industrial processing, artificial flavors, and repeated high-heat exposure found in many commercial oils and fried foods.
Here are the five most useful ways to understand its potential healing value.
1. Heart and Circulation Support
The strongest evidence for olive oil involves the cardiovascular system.
In the landmark PREDIMED trial, reported in 2018, people at high cardiovascular risk who followed a Mediterranean dietary pattern supplemented with extra virgin olive oil had fewer major cardiovascular events than those assigned to a reduced-fat control diet. The primary outcome included heart attack, stroke, and cardiovascular death. (3)
A large dose-response meta-analysis of prospective studies also found that olive oil intake was associated with lower risks of cardiovascular disease and all-cause mortality. The association appeared strongest as intake increased to roughly 20 grams daily, although observational research cannot prove that olive oil alone caused the benefit. (1)
Olive oil may support cardiovascular health through several connected mechanisms:
- Improving LDL resistance to oxidation
- Supporting endothelial function, which affects how blood vessels relax
- Providing oleic acid in place of less favorable fats
- Supporting healthier blood pressure
- Influencing inflammatory and antioxidant pathways
- Helping carry fat-soluble nutrients from vegetables into the body
A 2024 meta-analysis of randomized trials found modest improvements in several cardiometabolic markers with extra virgin olive oil, although results varied by dose, duration, comparison diet, and participant health. (4)
This is important: Olive oil does not scrub plaque out of arteries like a household cleaner, and it should not be described as incapable of contributing calories or weight gain. It supports heart health most powerfully when it replaces a less nourishing fat and is consumed with vegetables, beans, herbs, nuts, seeds, fish, and other whole foods.
How Much Olive Oil Supports Heart Health?
There is no single required dose for every person.
A practical household goal is 1 to 2 tablespoons daily as part of meals, adjusting for body size, calorie needs, digestion, and the rest of the diet. Some Mediterranean diet trials used larger amounts.
Try it in:
- Salad dressings and vinaigrettes
- Dipping oil for gluten-free bread
- Roasted vegetables
- Hummus and bean dips
- Soups and stews
- Homemade mayonnaise
- Oil-rich cakes and quick breads
Try fresh-pressed olive oil for $1 direct from the growers!
2. Anti-Inflammatory, Metabolic, and Gut Support
Olive oil has achieved superfood status partly because of its phenolic compounds.
Oleocanthal is often compared mechanistically with ibuprofen because both influence cyclooxygenase pathways, but olive oil should not be presented as a milligram-for-milligram replacement for pain medicine. Most of the dramatic analgesic and disease-fighting claims come from laboratory and animal research.
Human trials are beginning to clarify the picture.
In the 2023 APRIL randomized crossover study, adults with obesity and prediabetes used either extra virgin olive oil rich in oleocanthal and oleacein or a common olive oil for one month. The polyphenol-rich oil produced greater improvements in several measures of oxidative and inflammatory status. (5)
That does not mean every bottle provides the same effect. A mild refined oil may contain far fewer phenolic compounds than an early-harvest extra virgin oil.
Blood Sugar and Insulin Sensitivity
Olive oil is regularly associated with healthier metabolic outcomes when it is part of a Mediterranean-style diet.
At the same time, a 2026 meta-analysis of 51 randomized trials with 4,334 adults found that olive oil on its own did not significantly change fasting glucose, insulin, A1C, or insulin resistance. The complete diet, food replacements, weight change, and study population matter. (6)
A wise summary is:
- Replacing refined carbohydrates or less nourishing fats with extra virgin olive oil may improve the metabolic quality of a meal.
- Eating olive oil with vegetables and protein may produce a different response than adding it to an already excessive diet.
- Olive oil can support insulin sensitivity, but it is not a stand-alone diabetes treatment.
Gut Microbiome and Digestive Health
Olive oil has a growing reputation for supporting the gut microbiome, and the human evidence is still developing.
A 2021 review of the research found that extra virgin olive oil can influence gut bacteria, the compounds those microbes produce, and the immune activity of the intestinal lining, with possible benefits for cardiometabolic and cognitive health. Mediterranean-diet studies also show changes in beneficial bacterial groups, but olive oil is only one part of those dietary patterns. (7)
Olive oil may also support digestion in practical ways:
- It helps the body absorb carotenoids and fat-soluble vitamins from vegetables.
- It makes high-fiber foods more satisfying.
- It can help replace emulsifier-heavy bottled dressings and sauces.
- It may support stool passage for some people, although too much can cause loose stools or nausea.
Use it with fiber-rich foods rather than treating it as a cleanse or taking large “shots” on an empty stomach.
3. Potential Protection Against Certain Cancers
Many studies demonstrate that olive oil and its phenolic compounds have antioxidant, anti-inflammatory, anti-angiogenic, and anti-tumor activity in laboratory and animal models.
Human epidemiology is encouraging but not perfectly consistent.
A 2022 systematic review and meta-analysis found that higher olive oil consumption was associated with lower overall cancer risk, with signals for breast, gastrointestinal, upper digestive, and urinary tract cancers. Most included studies were observational, so diet, lifestyle, geography, and other factors may partly explain the association. (8)
A 2024 dose-response meta-analysis of prospective studies found lower cardiovascular and all-cause mortality but did not find a clear association between olive oil intake and overall cancer incidence or mortality. (9)
These findings do not cancel one another. They tell us:
- Some observational datasets show meaningful cancer-risk associations.
- Other stronger prospective analyses find the association less certain.
- Laboratory research shows plausible mechanisms that deserve continued human study.
- Olive oil is a supportive food, not a treatment that should replace oncology care.
Oleocanthal, oleacein, hydroxytyrosol, and related compounds are being studied for effects on inflammatory signaling, angiogenesis, cancer-cell metabolism, apoptosis, and autophagy. Research suggests genuine anticancer potential, but most disease-treatment applications remain preclinical. (10)
The most practical cancer-protective use of olive oil is not drinking it like medicine. Use it to make vegetables, herbs, legumes, and other bioactive foods delicious enough to eat consistently.
4. Brain, Bone, Pregnancy, and Healthy-Aging Support
Olive oil nourishes more than the heart.
Brain Health
A 2024 analysis of more than 92,000 adults followed for 28 years found that consuming at least 7 grams of olive oil daily was associated with a lower risk of dementia-related death. Replacing small amounts of margarine or mayonnaise with olive oil was also associated with lower risk. This was observational research, not proof that olive oil prevents or cures dementia. (11)
The brain-health potential of olive oil may involve:
- Cardiovascular protection
- Reduced oxidative stress
- Polyphenol effects on inflammation
- Support for cell membranes
- Improved overall diet quality when it replaces refined fats
The old claim that coconut oil is known to improve Alzheimer’s disease is much stronger than the available human evidence. Coconut oil remains one of our favorite natural fats, but it should not be promoted as a proven Alzheimer’s treatment. Olive oil currently has stronger long-term human evidence for cardiovascular and dementia-related outcomes.
Bone Health
Olive oil has also been studied for osteoporosis and fracture risk.
In a 2018 PREDIMED analysis, higher extra virgin olive oil consumption was associated with fewer osteoporotic fractures among older adults at high cardiovascular risk. (12)
A 2025 systematic review found that olive polyphenols such as hydroxytyrosol and oleuropein have bone- and muscle-protective effects, although most of that evidence still comes from lab and animal studies. (13) That is not strong enough to describe olive oil as a replacement for protein, minerals, vitamin D, resistance exercise, or treatment when osteoporosis is established.
Think of olive oil as part of a bone-supporting meal that also contains:
- Protein
- Calcium-rich foods
- Magnesium
- Vitamin K-rich greens
- Vitamin D
- Colorful antioxidant-rich plants
Pregnancy and Infants
A systematic review found that maternal olive oil intake was associated with several favorable maternal and infant outcomes, but the available studies varied and could not prove that olive oil alone caused those differences. (14)
A 2024 meta-analysis of randomized trials found that Mediterranean-style pregnancy interventions, often supplemented with extra virgin olive oil and nuts, reduced gestational diabetes incidence. The authors emphasized that only three eligible trials were available and larger studies are needed. (15)
Pregnant women do not need to take shots of oil. Use olive oil as part of nourishing meals that include protein, vegetables, minerals, and other healthy fats.
5. Skin, Wound, and Body-Care Benefits
The benefits of olive oil extend beyond the kitchen table. It has long been part of beauty treatments, and even Scripture mentions oil in connection with the face, hair, hospitality, and personal care.
Olive oil is rich in oleic acid and squalene and can reduce water loss by leaving an occlusive layer on the skin. A 2025 randomized trial in healthy adults found that extra virgin olive oil improved several measures of hydration and skin surface texture, although petrolatum created a stronger occlusive effect. (16)
A lovely way to soften normal, dry skin is to apply a small amount with your favorite essential oil blend to damp skin in the shower before towel drying. You can also use it in this DIY lotion bar.
Olive oil can be an important carrier oil for medicinal and cosmetic use. Carrier oils:
- Dilute and disperse essential oils
- Reduce rapid evaporation
- Improve topical safety
- Help penetration
- Keep essential oils in contact with the application area longer
- Can amplify therapeutic effects through their own fatty acids and plant compounds
Important Skin-Barrier Qualification
Olive oil is not ideal for every skin type.
Research in infants and people with atopic or highly sensitive skin raises concern that repeated use of high-oleic olive oil may impair barrier function in some circumstances. A 2018 systematic review concluded that evidence did not support routinely recommending olive oil for healthy baby skin. (17)
Newer research is more reassuring. A 2025 study of 120 newborns in intensive care found that extra virgin olive oil raised skin hydration more than almond oil, with no harm to skin condition. (18)
Use these safeguards:
- Patch test before applying it broadly.
- Use a small amount rather than soaking the skin.
- Stop if redness, itching, burning, acne, or eczema worsens.
- On newborn skin, use only a thin layer of fresh extra virgin olive oil, never a heavy daily coating.
- Use extra caution on damaged, infected, or highly inflamed skin.
Wound-Healing Research
Clinical studies have evaluated olive-oil dressings and formulated olive products for diabetic foot ulcers, pressure-injury prevention, and other wounds. Some trials report improved healing when olive oil was added to standard wound care. (19)
That is promising, but it does not mean pouring grocery-store oil into a wound is safe. The clinical studies used defined protocols, clean products, wound assessment, and standard care.
Do not apply a homemade oil blend to:
- Deep wounds
- Puncture wounds
- Animal or human bites
- Diabetic ulcers
- Burns
- Wounds with spreading redness, pus, odor, fever, or red streaking
Olive oil has slight ultraviolet-filtering activity, but it is not adequate sunscreen by itself. If you want to DIY a natural sunscreen, include appropriate protective ingredients and use sensible sun practices.
Try Our Favorite Olive Oil
Harvested FRESH from a different location around the globe, learn more about the Fresh Pressed Olive Oil Club and get your first bottle for $1 HERE!
Olive Oil for Pet Care, House Care, and DIY
Olive oil has household uses that deserve their own section so they do not distract from its primary health benefits.
Uses for Pet Care
The benefits of virgin olive oil are not limited to humans, but pets do not metabolize every food or essential oil the way we do.
Olive oil may be used as a carrier for pet-safe essential oils when the species, oil, dilution, application site, and reason for use have been reviewed carefully.
A small amount mixed with food may be tolerated by some dogs, but it also adds calories and may cause diarrhea, vomiting, or pancreatitis symptoms in a susceptible animal. Cats have different needs and sensitivities.
Do not pour olive oil into an animal’s ear canal or depend on it to treat:
- Ear mites
- Mange
- Fungal skin infections
- Open wounds
- Hairballs that involve repeated vomiting, poor appetite, constipation, or lethargy
Those problems need the correct diagnosis. Olive oil may soothe intact, dry skin or help carry a properly selected topical ingredient, but it does not replace veterinary treatment.
House Care and DIY Cleaning Ideas
Olive oil is great for natural wood. Just be sure not to apply it to floors, stairs, handles, or other surfaces where a slippery film could be dangerous.
To restore real wood cabinet fronts, mix a tablespoon or two of olive oil with lemon essential oil and diluted vinegar, then buff until the wood is softly shiny. Wipe away every bit of excess oil.
We use it in our Homemade Dusting Spray too.
It can also:
- Quiet a squeaky door hinge in a pinch
- Help free a sticky metal zipper
- Loosen semi-dry latex paint from skin or some tools
- Condition certain real-leather items after a spot test
- Remove sticky residue from jars
Do not use olive oil in engines, locks that collect dust, precision machinery, or any application requiring a petroleum or silicone lubricant.
Kitchen Measurement Tip
If you measure the oil first in our naturally healthy recipes, olive oil coats the measuring cup or spoon and keeps sticky ingredients from clinging.
When a recipe includes honey, molasses, date syrup, or another sticky ingredient, measure the oil first. You will get a cleaner pour and a truer measurement.
Olive Oil Comparison: How It Stacks Against Other Fats
No cooking fat needs to be treated as the only acceptable choice. Each has a fatty-acid profile, flavor, processing history, heat tolerance, and culinary purpose.
The most useful comparison asks:
- Is the oil fresh or rancid?
- Is it minimally processed or highly refined?
- What food will it replace?
- How will it be heated?
- How often is it used?
- Does the person tolerate it?
1. Coconut Oil vs. Olive Oil
Both oils can be part of a natural kitchen, but they are chemically very different.
Extra virgin olive oil is primarily monounsaturated fat. Coconut oil is primarily saturated fat, with lauric acid as a major component.
Coconut oil is stable and useful for baking, certain high-heat applications, and recipes where its flavor and texture work well. Coconut oil and weight loss remain popular topics, but the fat-burning effect is small. A 2023 meta-analysis of nine trials found that coconut oil lowered body weight by only about 0.75 kilograms (1.7 pounds) compared with other fats, with no change in waist size. (20)
Human evidence also does not establish coconut oil as an Alzheimer’s treatment.
Olive oil has the stronger evidence base for:
- Cardiovascular event reduction
- Lower all-cause mortality
- Endothelial function
- Blood-pressure support
- Dementia-related mortality
Keep both when they serve your kitchen, but use extra virgin olive oil as a primary everyday fat when the flavor fits.
2. Canola Oil vs. Olive Oil
Canola oil can be a sensitive subject. It contains a favorable amount of monounsaturated fat and relatively little saturated fat, but most conventional canola in North America comes from genetically engineered crops and is refined, bleached, and deodorized.
Certified organic canola cannot intentionally use genetically engineered seed under organic standards, so it is inaccurate to say that organic canola is automatically GMO.
Many health-conscious families still avoid canola because they prefer:
- Traditional food oils
- Less processing
- More natural flavor
- Higher polyphenol content
- Greater transparency from the producer
Learn more about the pros and cons of canola oil here.
For our family, extra virgin olive oil has the health edge because it brings both oleic acid and a broad phenolic profile. Canola may have a neutral flavor and high heat tolerance after refining, but it does not provide the same extra virgin polyphenol package.
3. Vegetable or Soybean Oil vs. Olive Oil
The term “vegetable oil” is not a botanical identity. In the United States, it often refers to soybean oil, but it may also contain corn, canola, cottonseed, sunflower, safflower, or a blend. Read the ingredient list.
Soybean oil is high in polyunsaturated linoleic acid. It is widely used in packaged food and commercial frying, which means people often consume it alongside refined flour, sugar, additives, and repeated heating.
Some animal experiments have linked high-soybean-oil diets with metabolic dysfunction. Those studies are useful for exploring mechanisms, but they do not prove that every amount of soybean oil produces the same disease in humans.
Our ministry position remains clear: We prefer extra virgin olive oil to highly refined soybean oil because olive oil is a traditional fruit oil with stronger human evidence, better oxidative stability, and valuable polyphenols.
That is a strong enough reason without turning every animal experiment into a promise about what will happen to every person.
4. Corn Oil vs. Olive Oil
Corn oil is also commonly refined and high in omega-6 PUFA.
Older animal research compared high-corn-oil and high-olive-oil diets in models of breast cancer progression. Those studies suggested different effects on tumor biology, but they were not human clinical trials.
Olive oil remains our clear winner because of its:
- Higher MUFA content
- Natural polyphenols when extra virgin
- Greater cooking stability
- Stronger long-term cardiovascular evidence
- Traditional culinary use
5. Avocado Oil vs. Olive Oil
We have touted the health benefits of avocado before. It is no surprise that avocado oil may be olive oil’s most serious rival among fruit oils.
Both can be rich in oleic acid. Both work well for cooking. Both can support a whole-food dietary pattern.
Avocado oil often has:
- A mild flavor
- A high smoke point when refined
- Good versatility for baking and high-heat cooking
Extra virgin olive oil has:
- A much larger human research base
- Well-characterized phenolic compounds
- Strong traditional and Biblical relevance
- More flavor options for dressings and finishing
Quality problems can occur in both markets. Buy either oil from a company willing to provide origin, processing, freshness, and testing information.
6. Butter vs. Olive Oil
Comparing olive oil with butter may seem unfair because one is a plant oil and the other is an animal fat, but they can be used interchangeably in many recipes.
Butter from organic, pastured, and grass-fed animals can provide a different nutrient profile than cheap factory-farmed animal products. It contributes flavor and fat-soluble compounds and works well in traditional cooking.
Use high-quality butter where it belongs and let extra virgin olive oil carry more of the everyday workload.
Try Our Favorite Olive Oil
Harvested FRESH from a different location around the globe, learn more about the Fresh Pressed Olive Oil Club and get your first bottle for $1 HERE!
Buyer Beware: How to Avoid Fake or Adulterated Olive Oil
Food fraud is real. The FDA uses olive oil adulterated with a cheaper oil as a current example of economically motivated adulteration. International standards include chemical and sensory methods designed to detect purity and quality problems. (21, 22)
However, the repeated claim that “up to 80% of olive oil sold in the United States is fake” is not a dependable current estimate of the entire retail market. It grew from older investigations, media reports, limited sampling, and confusion between:
- True adulteration with another oil
- Oil that has gone stale
- Oil that fails the extra virgin sensory grade
- Incorrect country-of-origin impressions
- Mislabeling
All of these problems matter, but they are not identical.
Sorry to burst any bubbles, but the refrigerator test, meaning olive oil solidifying in the fridge, is not an accurate test of whether the oil is pure. Genuine oils have different fatty-acid and wax profiles and may cloud or solidify differently.
Just like the home tests people use to determine whether essential oils are pure, kitchen tricks cannot reliably detect sophisticated adulteration. You need chemical analysis and, for extra virgin grading, trained sensory evaluation.
How to Choose Better Olive Oil
Look for:
- Extra virgin clearly stated on the label
- A named producer, mill, estate, cooperative, or traceable source
- A harvest date when available, not only a distant “best by” date
- A dark glass bottle, opaque container, or tin
- A container size your family can use while the oil is fresh
- Specific origin information rather than vague imagery
- Independent chemical testing, sensory-panel results, or a reputable certification
- A company that answers questions about harvest, milling, storage, and shipping
A certification or stamp is not a guarantee that no error will ever occur, but reputable third-party programs add accountability. Do not reject every standard while depending entirely on attractive marketing.
As when choosing the right essential oils, vet the company and find a supplier you trust.
What Should Fresh Olive Oil Taste Like?
Fresh extra virgin olive oil may taste:
- Fruity
- Grassy
- Herbal
- Green
- Bitter
- Peppery
- Nutty
- Tomato-leaf-like
A completely flat oil is not necessarily fake, but it may be refined, mild, or old.
Warning flavors include:
- Crayons
- Putty
- Stale nuts
- Old cooking oil
- Mustiness
- Fermented or muddy flavors
How to Store Olive Oil
The enemies of olive oil are light, heat, oxygen, and time.
Store it:
- In a cool, dark cabinet
- Away from the stove and sunny counter
- With the cap tightly closed
- In dark glass, tin, or another oxygen-protective package
- Without transferring it repeatedly between open decorative bottles
Buy an amount you can realistically use within several months after opening. A fresh oil you use generously is a better investment than a giant container that becomes rancid.
Try Our Favorite Olive Oil
Harvested FRESH from a different location around the globe, learn more about the Fresh Pressed Olive Oil Club and get your first bottle for $1 HERE!
Olive Oil FAQs
What are the main health benefits of olive oil?
The strongest evidence supports cardiovascular health. Extra virgin olive oil may also support inflammatory balance, metabolic health, brain and bone health, pregnancy outcomes, the gut microbiome, and skin or wound care. The evidence is not equally strong for every benefit.
Is extra virgin olive oil healthier than regular olive oil?
Usually, yes. Both provide oleic acid, but extra virgin olive oil is unrefined and generally retains more natural polyphenols, antioxidants, aroma, and flavor. Quality and freshness still vary between bottles.
How much olive oil should I eat each day?
Many people can use 1 to 2 tablespoons daily in meals, while Mediterranean-diet trials sometimes use more. Your needs depend on total calories, body size, digestion, activity, and what the oil replaces.
Is it healthy to drink a shot of olive oil?
There is no evidence that taking a shot provides benefits you cannot get by adding olive oil to food. Large amounts may cause nausea, diarrhea, reflux, or unnecessary calorie intake. Use it to make nourishing food delicious.
Can you cook with extra virgin olive oil?
Yes. It is suitable for sautéing, roasting, baking, and most home cooking. Avoid leaving it smoking, repeatedly reusing it for frying, or exposing it to prolonged extreme heat.
Does heating olive oil destroy all its benefits?
No. Some polyphenols decline with heat and time, but oleic acid remains, and extra virgin olive oil can retain meaningful antioxidant activity during normal cooking. Use some raw and some cooked for the best combination of flavor and versatility.
Does olive oil lower cholesterol?
Olive oil can improve the lipid profile when it replaces fats that raise LDL cholesterol more strongly, especially shortening or certain highly processed fats. It does not guarantee a particular cholesterol result in every person.
Can olive oil prevent cancer?
Research suggests possible protection against certain cancers, and olive polyphenols have promising anticancer mechanisms. Human evidence is mixed, and olive oil should not be described as a proven cancer-prevention drug or treatment.
Is olive oil good for the gut?
It may support the gut by helping absorb fat-soluble nutrients, replacing heavily processed sauces, supporting satisfying high-fiber meals, and influencing microbial and intestinal immune activity. Human microbiome research is promising but still developing.
Can olive oil be used on the skin?
Yes, many adults tolerate small amounts on normal dry skin. Patch test first. It may irritate acne-prone, atopic, or highly sensitive skin, and newborn skin needs only a thin layer.
Can olive oil heal wounds?
Clinical studies using defined olive-oil dressings alongside standard care are promising. Do not pour grocery-store olive oil into a deep, infected, burned, punctured, or diabetic wound.
Is olive oil safe for pets?
Small food amounts may be tolerated by some pets, and it can serve as a carrier for carefully selected pet-safe topical products. It can also add excess calories or cause digestive upset. Do not use it as a home cure for ear mites, mange, infection, or repeated hairball symptoms.
How can I tell whether olive oil is fake?
There is no reliable home purity test. The refrigerator test does not work. Buy from a traceable producer, look for harvest and origin information, choose protective packaging, consider reputable third-party testing, and learn how fresh oil should smell and taste.
Keep reading: Best Omega-3 Sources: Foods, Omega-6 Balance & Supplements · 7 Hemp Seed Benefits for Health: Protein, GLA & Heart Support · Easy Gluten-Free Bruschetta Recipe with Fresh Tomatoes
References
- Martínez-González MA, et al. Effect of Olive Oil Consumption on Cardiovascular Disease, Cancer, Type 2 Diabetes, and All-Cause Mortality. 2022.
- Ambra R, et al. Effects of Olive Oil Cooking on Phenolic Compounds and Health Properties: A Review. 2022.
- Estruch R, et al. Primary Prevention of Cardiovascular Disease With a Mediterranean Diet Supplemented With Extra-Virgin Olive Oil or Nuts. New England Journal of Medicine. 2018.
- Morvaridzadeh M, et al. Effect of Extra Virgin Olive Oil on Cardiometabolic Risk Factors and Inflammatory Mediators: A Systematic Review and Meta-Analysis of Randomized Trials. 2024.
- Ruiz-García I, et al. Rich Oleocanthal and Oleacein Extra Virgin Olive Oil and Inflammatory and Antioxidant Status in People With Obesity and Prediabetes: The APRIL Randomized Trial. 2023.
- Takhttavous A, Rostampour K, Gerami S, Mohammadi-Sartang M. The Effect of Different Types of Olive Oil on Glucose Control and Insulin Sensitivity: A GRADE-Assessed Systematic Review and Dose-Response Meta-Analysis of 51 Randomized Controlled Trials. Nutrition Reviews. 2026. Source.
- Millman JF, Okamoto S, Teruya T, et al. Extra-virgin olive oil and the gut-brain axis: influence on gut microbiota, mucosal immunity, and cardiometabolic and cognitive health. Nutrition Reviews. 2021. Source.
- Markellos C, et al. Olive Oil Intake and Cancer Risk: A Systematic Review and Meta-Analysis. 2022.
- Ke Y, et al. Olive Oil Intake and Cardiovascular Disease, Cancer, and All-Cause Mortality: A Dose-Response Meta-Analysis of Prospective Cohort Studies. 2024.
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- Tessier AJ, et al. Consumption of Olive Oil and Diet Quality and Risk of Dementia-Related Death. JAMA Network Open. 2024.
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