Is your olive oil fake?
Olive oil is rich in polyphenols and healthy fats, but you need to know how to choose the healthiest olive oil to avoid paying more for olive oil that’s been cut with other potentially unhealthy vegetable oils.
An April 2011 study by UC Davis found that 73 percent of the five best-selling imported brands of olive oil failed to meet the standards established by European regulators, meaning it could be adulterated or blended with other vegetable oils such as soy, corn, cottonseed, or canola oil. (source) Vegetable oils are deodorized and flavorless so they don’t impart a taste to the olive oil. This is bad not only from a consumer standpoint, but also from a health perspective: Vegetable oils are highly processed and inflammatory and alter the fatty acid profile of true olive oil. So not only could your olive oil not be pure olive oil, it could contain undesirable, inflammatory impostors.
Olive oil has been lauded for its many health benefits, and many Americans rely on extra virgin olive oil as their main cooking and dressing oil.* Olive oil is a monounsaturated fat and high in polyphenols– antioxidants that reduce inflammation–making it cardio-protective and a powerful cancer fighter. Topically it’s great for skin and an excellent moisturizer for hair.
*I do not recommend olive oil for higher heat sautéing or searing, but it’s fine for general use (pan sauteeing and roasting). It has a fairly low smoke point, and high heat damages the phenols. Monounsaturated fats do not hold up to high temperatures and can oxidize when exposed to high heat (over 400 degrees F). I recommend saturated fats such as coconut oil for use over 350 degrees or for pan-frying/sauteeing/searing. Avocado oil also has a high smoke point.
Types of Olive Oil
- Extra virgin is produced by pressing or a low heat process, but it does not use chemicals or deodorants used in vegetable oil refining. Extra virgin should also be unfiltered. You may also see “cold-pressed” on labels, which refers to a chemical-free process using only pressure. Cold pressing produces a higher quality olive oil which is naturally lower in acidity.
- Virgin olive oil is pressed in a similar manner but comes from riper olives or a second pressing.
- Pure olive oil is typically a blend of virgin olive oil and refined olive oil (heat and/or chemicals are used in the process of extracting oil and removing flaws from the fruit). It’s a lower quality oil.
Extra Virgin Olive Oil
I always use and recommend only cold pressed, unfiltered extra virgin olive oil.
We hear the most about extra virgin olive oil, which is the first pressed oil from freshly picked olives. To be a true extra virgin olive oil, the oil must be mechanically pressed or crushed, with no added heat or chemicals.
How to Avoid Buying Fake Olive Oils
Smell it! You can tell a lot by the smell of olive oil. The fake brands often have a chemical or dull odor. It make not be possible to smell before you buy, but you’ll soon learn the difference between good quality olive oils and the crap brands. Once you find the good stuff, stick to a trusted brand. Read labels. They can be misleading, implying the oil was produced in Italy when, in fact, it was only bottled there. See below for more tips on what to look for in a label.
The following olive oils were found to have been fraudulently labeled as Extra Virgin:
How to Choose the Healthiest and Best Quality Olive Oil
High quality extra virgin olive oil can range from delicate and buttery to fragrant and fruity to grassy and peppery. Though you can’t really tell quality from the color because of so much variation, it can range from deep green to golden. I personally prefer the grassy, deep green olive oils and believe those offer the greatest polyphenol benefit.
- Look for a harvesting date or description on the label. I look for a harvest date and expiration date.
- Buy local if possible, or drop in on olive oil tastings. Here in Northern California, many shops and wineries with olive groves offer olive oil tastings so you can sample locally produced oils.
- Buy certified organic.
- Anything labeled as “light” or “pure” olive oil likely has been processed and is not virgin quality.
- Opt for California-produced oil. It’s less likely to be adulterated. Look for the estate name on the label.
- If you’re able to smell the oil before you buy, do so. It should smell fresh, fruity and grassy and not of chemical solvents.
- Shop for oil in dark bottles. Dark glass protects the oil from sunlight, which can turn it rancid and affect the quality and flavor.
The following olive oils were found to have be accurately labeled as pure Extra Virgin:
California Olive Ranch
McEvoy Ranch Organic
I most often buy McEvoy Ranch and California olive ranch brands. If I’m lucky enough to be up in wine country, I’ll go olive oil tasting and buy the most grassy olive oil I can find and use it for roasting veggies and dressing salads. McEvoy Ranch also has some awesome olive oil-based bodycare products.
Not all olive oil is created equal, and several brands cut their olive oil with vegetable oils resulting in a cheaper product that you’re still paying top dollar for. Make sure you always purchase cold pressed, extra virgin olive oil that has a harvesting and expiration date on the label.
And smell it! Does it smell grassy, peppery, fruity? The adulterated olive oils have little to no scent and are very pale in color. True olive oil ranges in color from deep green to golden. Color is determined by the ripeness of the olives at harvest.
Olive oil is a very healthy staple cooking oil, but just make sure you’re getting a quality brand.
Mary Vance is a Certified Nutrition Consultant and author specializing in digestive health. She combines a science-based approach with natural therapies to rebalance the body. In addition to her 1:1 coaching, she offers courses to help you heal your gut and improve your health. Mary lives in San Francisco and Lake Tahoe in Northern California. Read more about her coaching practice here and her background here.
Yikes! I had no idea about this. Thank you for sharing. I always buy organic. Have you found less of an issue in general with organic-certified, since they’ve been through at least some level of oversight [at least once, I guess 🙂 ].
Can you tell me if “from Olives and Grapes” is a pure olive oil?
I’ve never heard of such a thing.
This makes me so angry. I just bought a huge thing of “light” Bertolli olive oil. I can’t believe they can just sneak CORN and CANOLA oil in. Will be dumping it today! Thanks for the info.
I’m live in al. I need to find pure olive oil can some one help me plz
There is a link to the California Olive ranch oil in the post. You can order it on amazon.
Thank-you this information has been very informative, I now go only to specialty olive oil stores to buy the real oil and no longer buy from the grocery store many of the labels that were on your list of not pure olive oils.
Hello dear Mary. Thank you for the information. Do you have any idea about Moraccoin olive oil names El uozzania, my family and I been consume this kind of oil for more then ten years, is it good olive oil?
Mary, So glad I found your article. I’m also looking for a nice green Olive oil “grassy” color as you call it. The olive oil in the glass container showed in the article. What brand is that? Where do you buy the McAvoy Ranch olive oil? Thanks so much.
I linked to California Olive ranch in the post. The others I have only found locally in CA. You might be able to find them at specialty shops or Whole Foods.
Hi Mary, I so appreciate this article! I live in Napa Valley and have been eating olive oil from Napa Valley Naturals for years. Do you know if their oil is legit?
I think it is! Most of the local wine country olive oils are pressed and grown locally.
great article! for years in aceitedelcampo we have been writing about olive oil. Scientist are already showing that EVOO can prevent cancer! nice weekend!
I live in Ireland, co Kerry,I use Bunalun Organic olive oil,is that a good brand
Hi Michael, I’m not familiar with that brand, but you can use the guidelines in this post to make a decision.
How about Trader Joe’s olive oils?
Sam, I haven’t heard or read anything about the quality of TJ olive oil. I would research it and follow the guidelines here (look for harvesting date on the label, etc).
I just saw a sales presentation on this oil made by Dr. Steven Gundry. Have you heard of it? Is it a scam? Is it worth the price?
Heidi, I am not familiar with his olive oil. As long as it meets the guidelines laid out in this article (especially the harvesting date etc) it should be fine.
Mary, thank you for this great information! I have recently been looking into EVOO more diligently because of my dog, and come to find out, I’ve been storing it incorrectly. I noticed you mentioned coconut oil, and despite what many of us have been lead to believe, I’ve been reading that ingesting Coconut Oil is not healthy for humans or pets. While I have not used it extensively, I will avoid using it in the future. Thanks again for the information on olive oil!
Hi Gaye, coconut oil is amazing! My dogs love it too, and it’s wonderful for their coats. I give them a teaspoon full whenever I cook with it. Here are some benefits: https://www.healthline.com/nutrition/top-10-evidence-based-health-benefits-of-coconut-oil
Thanks for responding, Mary. Have you seen the results of some of the new research on coconut oil? I can email you directly if you’d like.
Gaye, yes, I have. In fact, I put my thoughts on the findings into a blog post: https://www.maryvancenc.com/is-coconut-oil-unhealthy/
To interpret nutritional studies, one needs to be able to understand any biases + who funded the study + understand that it is impossible to lock up humans in a lab to study the effects of a particular food, so we often need to rely on observational studies which aren’t accurate.
I’ looking for organic virgin olive oil for health reasons. I NEED IT IN IT’S PURIST FORM WHERE TO ORDER FROM.