Introduction:
Is olive oil a seed oil is one of the most searched questions in modern nutrition and cooking discussions. Many people feel confused because seed oils dominate supermarket shelves, social media debates, and health blogs. At the same time, nutrition experts and health researchers praise olive oil as a gold-standard fat in healthy diets. This contrast creates a natural question in the mind of smart consumers: is olive oil a seed oil, or does it belong to a completely different category of cooking oils?
The confusion around olive oil, a seed oil comes from misinformation, oversimplified comparisons, and viral claims online. Some people group all plant-based oils together, while others label seed oils as unhealthy and assume olive oil falls into the same group. This article breaks down the truth clearly, scientifically, and honestly so you can make informed decisions for cooking, health, and long-term wellness.
Understanding whether is a matters more than ever. Cooking oils affect inflammation, heart health, skin health, and even hormone balance. Knowing the difference between olive oil and seed oil is not just a trend. It is a practical skill for smart cooking and healthier living.
Understanding the Confusion Around Seed Oils and Olive Oil

The question is olive oil a seed oil has gained massive attention because health-conscious people are questioning everything they cook with. Over the past decade, seed oils became extremely common due to industrial food production. Oils like soybean oil, canola oil, sunflower oil, and corn oil are cheap, shelf-stable, and widely used in processed foods. As awareness grows, many consumers now ask what are seed oils and whether they are safe for daily use.
Health enthusiasts started questioning seed oils because of their heavy processing, high omega-6 content, and potential link to inflammation. This has triggered a strong consumer shift toward traditional fats such as olive oil, coconut oil, and butter. During this shift, people naturally began asking is a or a safer alternative to seed oils.
Another reason for confusion is modern marketing. Bottles rarely explain oil origins clearly. When consumers see next to seed oils on shelves, they assume they are similar. Social media also plays a role. Searches like is a reddit show how online debates mix opinions, half-truths, and personal experiences without scientific clarity.
Rising concern about modern cooking oils has pushed people to research labels, smoke points, and fatty acid profiles. This has made the question is olive oil a seed oil central to clean eating conversations. Understanding this confusion is important before diving deeper into definitions, processing methods, and real nutritional differences.
What Seed Oils Really Are and How They Are Made
Definition and Common Sources of Seed Oils
Seed oils come directly from the seeds of plants rather than from the fruit flesh. Manufacturers produce common seed oils from crops such as sunflower, canola, soybean, corn, cottonseed, and grapeseed. These oils play a major role in modern food production because they are widely available, relatively inexpensive, and versatile for cooking and food processing.
How Producers Extract Seed Oils
To produce seed oils, manufacturers first harvest and clean the seeds. They then crush or press them to release the oil contained inside. Many seeds contain only small amounts of oil, so producers often use mechanical pressing combined with solvent extraction to increase efficiency and maximize yield.
During large-scale production, processors typically heat the crushed seeds and mix them with a solvent, commonly hexane, which separates the oil from the remaining seed material. After extraction, manufacturers remove the solvent and refine the oil to improve color, flavor, and shelf stability. This refining process may include degumming, neutralizing, bleaching, and deodorizing.
Why Refining Changes the Oil
These processing steps create a neutral-tasting oil that works well for frying, baking, and packaged foods. However, refining can also reduce natural nutrients that exist in the original seeds.
Most seed oils contain a higher proportion of polyunsaturated fatty acids, especially omega-6 fats. While these fats remain essential in small amounts, nutrition experts often recommend maintaining a balanced ratio of omega-6 to omega-3 fats in the diet.
Key Differences From Olive Oil
Understanding how producers make seed oils helps clarify the difference between seed oils and fruit-derived oils such as olive oil. Unlike seed oils, olive oil producers extract oil directly from the olive fruit using mechanical methods, which preserves many of its natural antioxidants and flavor compounds.
What Olive Oil Is From Tree to Bottle

When asking whether olive oil is a seed oil, it is important to understand what olive oil actually is. Unlike seed oils, olive oil comes from the fruit of the olive tree, not the seed. Each olive is a small drupe a fruit with a pit inside and producers extract oil from the fleshy part surrounding the pit rather than from the seed itself.
This botanical distinction makes olive oil fundamentally different from seed oils in origin, composition, and health properties.
Traditional Production Methods
For thousands of years, olive oil has remained a key part of the Mediterranean diet. Its production begins with carefully harvested olives, often picked by hand to protect quality and freshness.
After harvesting, olives undergo mechanical extraction methods such as cold pressing or centrifugation. Unlike many seed oils, olive oil production does not rely on chemical solvents or heavy refining. This gentle processing helps preserve natural nutrients, antioxidants, and its delicate flavor.
Nutritional Composition and Healthy Fats
One major reason olive oil is widely praised is its high monounsaturated fat content, especially oleic acid. This profile differs from seed oils, which typically contain higher levels of omega-6 polyunsaturated fats.
Monounsaturated fats are more stable under moderate heat and are linked to benefits for heart health, inflammation control, and overall wellness. The balanced fat structure makes olive oil a preferred option for cooking and daily consumption.
Antioxidants and Nutrient Preservation
Because olives are fruits and producers minimally process the oil, olive oil retains natural compounds such as polyphenols and vitamin E.
These antioxidants are often removed during the refining process of many seed oils. They contribute to olive oil’s protective effects, supporting cardiovascular health, reducing oxidative stress, and even benefiting skin health.
Is Olive Oil a Seed Oil? The Botanical and Scientific Answer
The Short Answer: Olive Oil Is Not a Seed Oil
The most direct answer to the question “Is olive oil a seed oil?” is no. Olive oil is not a seed oil because producers extract it from the fleshy fruit of the olive tree, not from the seed inside the olive.
Botanically, the olive belongs to a group of fruits called drupes. A drupe is a fruit that contains a single seed or pit surrounded by a fleshy outer layer. Other examples include peaches, cherries, and plums. The oil used in cooking comes from the mesocarp, the soft and nutrient-rich flesh of the olive fruit.
Seed oils, in contrast, come directly from the seeds of plants such as sunflower, canola, soybean, or corn. Because olive oil is extracted from fruit flesh rather than seeds, scientists classify it as a fruit oil, not a seed oil.
Scientific Differences Between Olive Oil and Seed Oils
From a scientific perspective, olive oil differs significantly from typical seed oils in both composition and extraction.
Seed oils usually contain higher levels of polyunsaturated fatty acids, especially omega-6 fats. They often require more complex industrial processing to extract oil efficiently from the seed.
Olive oil especially extra virgin olive oil comes from mechanically crushing olives and extracting the oil without using chemical refining processes.
It contains a high proportion of monounsaturated fats, especially oleic acid, along with naturally occurring antioxidants such as polyphenols and vitamin E.
These compounds contribute to olive oil’s greater oxidative stability and its widely recognized role in heart-healthy diets like the Mediterranean diet. Because of these nutritional characteristics, many nutrition scientists and dietitians categorize olive oil separately from seed oils when discussing cooking fats and dietary health.
Why People Confuse Olive Oil with Seed Oils
Several common misconceptions contribute to the confusion.
Some people assume that all plant-based oils are seed oils, which is not accurate. Oils can come from fruits, nuts, seeds, or even grains.
Others argue that because olives contain a seed or pit, olive oil must also be a seed oil. However, the oil is extracted from the fruit flesh, not the pit. The pit mainly contains lignin and very little usable oil.
Even in rare cases where producers extract oil from olive pits, the result is a specialty by-product rather than what consumers recognize as standard olive oil.
What Online Discussions Often Get Wrong
On social platforms and forums, many users ask questions like “Is olive oil a seed oil?” and receive mixed answers.
Much of the confusion comes from debates around industrial seed oils, which critics often associate with heavy processing and high omega-6 levels. Because olive oil is plant-based, it sometimes gets grouped into the same category during these discussions.
However, olive oil’s fruit origin, extraction method, and nutrient profile clearly distinguish it from typical seed oils. Its balanced fat composition and naturally occurring antioxidants make it a stable and widely recommended cooking oil when used in moderation.
Olive Oil vs Seed Oils Processing, Nutrition, and Stability Compared

When examining is olive oil a seed oil, it becomes essential to compare directly with oils in terms of processing, nutrition, and cooking stability. Understanding these differences explains why many nutrition experts recommend over common seed oils like soybean, sunflower, or canola oil.
Processing Differences
Producers traditionally extract olive oil from the fruit using mechanical methods, often cold-pressing it to preserve nutrients. In contrast, manufacturers typically extract seed oils from seeds with chemical solvents such as hexane and then refine, bleach, and deodorize them. This heavy processing removes much of the natural flavor, antioxidants, and vitamins present in the original seeds.
Heat Stability and Oxidation
Another critical factor is heat stability. Seed oils, rich in polyunsaturated fats, are prone to oxidation at moderate to high cooking temperatures. Oxidized oils produce free radicals that may contribute to inflammation. Olive oil, on the other hand, contains mostly monounsaturated fats and natural antioxidants, making it more resistant to heat and oxidation.
Whether you are sautéing, baking, or light frying, oil performs better than most refined oil, which aligns with concerns for is oil for cooking.
Fatty Acid Profiles
Fat composition sets olive oil and seed oils apart. Olive oil is rich in oleic acid, a monounsaturated fat linked to heart health and reduced inflammation. Seed oils have high omega-6 polyunsaturated fat content, which in excess can disrupt the omega-6 to omega-3 balance in the diet.
| Feature | Olive Oil | Seed Oils |
| Source | Fruit of olive | Seeds of plants (soy, sunflower, canola) |
| Extraction | Mechanical / cold-pressed | Industrial / chemical solvents |
| Fat Composition | Monounsaturated (oleic acid) | Polyunsaturated (omega-6) |
| Antioxidants | High (polyphenols, vitamin E) | Low (mostly lost during refining) |
| Heat Stability | High | Moderate to low |
| Common Uses | Cooking, finishing, skincare | Frying, processed foods |
Nutrition and Health Implications
From a nutritional standpoint, the differences are significant. Olive oil’s natural antioxidants help reduce oxidative stress and support heart health. Seed oils, particularly refined ones, offer fewer antioxidants and are more susceptible to producing harmful compounds when heated. This makes olive oil a safer and more beneficial choice for both cooking and raw consumption.
In summary, the comparison of vs seed oils confirms why the question is olive oil a matters. While both are plant-derived oils, olive oil’s fruit origin, minimal processing, and favourable fat profile make it superior for health, stability, and culinary versatility.
Health Effects of Seed Oils vs Olive Oil
When asking is olive oil a seed oil, the discussion often leads directly to health impacts. Understanding the health effects of seed oils versus is essential for making informed dietary choices, especially for cooking, heart health, and long-term wellness.
Inflammation Concerns
Seed oils are high in omega-6 polyunsaturated fats, which, in excess, can contribute to inflammatory processes in the body. While omega-6 fats are essential, modern diets often create an imbalance, consuming far more omega-6 than omega-3. This imbalance can influence chronic inflammation, potentially affecting cardiovascular health and metabolic conditions.
Olive oil, on the other hand, is rich in monounsaturated fats and polyphenols, which are anti-inflammatory. Studies suggest that regular olive oil consumption, especially extra virgin olive oil, can help lower inflammatory markers and reduce the risk of chronic diseases. This difference clearly highlights why a seed oil is not just botanical—it’s nutritional and functional.
Cardiovascular Health
One of the most significant advantages of olive oil is its ability to support and protect heart health.
Seed oils, due to high omega-6 content and oxidation risk, do not offer the same cardiovascular benefits when consumed in high heat or over-processed forms. Olive oil, with stable monounsaturated fats and antioxidants, can reduce LDL cholesterol, improve endothelial function, and support overall heart health.
Cancer Risk Discussions
Some research debates the role of oxidized seed oils in increasing oxidative stress, which may theoretically raise cancer risk. Olive oil’s polyphenols and vitamin E act as antioxidants, protecting cells from oxidative damage. While no oil guarantees cancer prevention,oil offers natural protective compounds missing in most refined seed oils.
Antioxidant Role
Unlike refined seed oils, how contains polyphenols, tocopherols, and flavonoids. These antioxidants not only support heart health but also protect skin, improve immunity, and enhance cellular function. For those who ask, “is a seed oil for skin,” these compounds highlight the benefits of olive oil in both dietary and topical uses.
Practical Takeaway
From a health perspective, replacing seed oils with in everyday cooking can reduce oxidative stress, balance fatty acid intake, and improve anti-inflammatory effects. This demonstrates clearly why is considered a safer, healthier, and more versatile oil than most seed oils, both in diet and for skin care purposes.
Why Many Experts Consider Olive Oil the Healthier Alternative

Exploring whether is a naturally raises the next question: why do many experts consider oil healthier than seed oils? The explanation comes from its composition, processing methods, and traditional role in diets such as the Mediterranean diet, which researchers link to longevity and lower rates of chronic diseases.
Natural Advantages
Olive oil’s natural extraction from fruit, without chemical refining, ensures it retains beneficial antioxidants, polyphenols, and vitamin E. Seed oils, by contrast, are typically industrially processed, losing many nutrients. These natural compounds make olive oil anti-inflammatory, heart-friendly, and protective against oxidative stress.
Long-Term Health Impact
Consuming olive oil regularly is linked to improved cardiovascular health, reduced inflammation, and better metabolic function. Seed oils, with their high omega-6 content, do not provide the same benefits when consumed in excess, especially in processed or fried foods. By choosing olive oil over seed oils, you are making a decision that supports long-term wellness, which is exactly why smart cooks ask, is olive oil a for cooking.
Mediterranean Diet Connection
The Mediterranean diet highlights olive oil as a primary fat source, combined with vegetables, whole grains, nuts, and fish. This dietary pattern is scientifically proven to reduce the risk of heart disease, stroke, and certain cancers. Seed oils do not feature prominently in this diet due to their processing and fatty acid profile.
Beyond Heart Health Benefits
Olive oil’s benefits extend beyond cardiovascular support. It contributes to skin health, cognitive function, and overall longevity. Even for topical use, oil’s antioxidants nourish and protect the skin, emphasizing again that is not a seed oil, and its unique properties go beyond simple cooking.
In summary, olive oil’s natural origin, nutrient retention, and documented health benefits make it a superior choice over typical seed oils. For anyone looking to cook healthier, protect their heart, and support overall wellness, choosing olive oil over seed oils is a smart and science-backed decision.
Types of Olive Oil and How to Use Each Correctly

Understanding olive oil a seed oil also involves knowing the different types of and their best uses. Not all olive oils are created equal, and knowing which type to use can improve both flavor and health benefits while avoiding the pitfalls of seed oils.
Extra Virgin Olive Oil (EVOO)
Extra virgin olive oil is the highest quality olive oil, extracted mechanically from olives without heat or chemicals. It has rich flavor, high antioxidants, and superior health benefits. EVOO is ideal for salads, drizzling over cooked dishes, or finishing meals. Its high monounsaturated fat content makes it stable for low to medium-heat cooking, unlike refined seed oils that oxidize easily.
Virgin vs Refined Olive Oil
Virgin olive oil is slightly lower in quality than EVOO but still mechanically extracted without chemicals. Refined olive oil undergoes heat and chemical processing to remove impurities, resulting in milder flavor and fewer antioxidants. While refined olive oil can be used for higher-heat cooking, it is less nutrient-rich compared to extra virgin olive oil. This is a key point when distinguishing from seed oils: even refined remains a fruit oil, not a seed oil.
Light/Pure Olive Oil Myths
Some labels say “light” or “pure” olive oil, leading to confusion. These terms describe the flavor and color of a product, not its calorie content.
Light olive oil is often a refined product, making it less nutrient-dense than extra virgin olive oil. Unlike seed oils, however, it still comes from the fruit, keeping it fruit-based and non-seed oil.
Cooking vs Finishing Uses
Extra virgin olive oil shines as a finishing oil, bringing flavor, antioxidants, and color to dishes. For cooking, especially frying or sautéing, refined olive oil can handle higher heat while still being healthier than many seed oils. Using the right type for the right purpose ensures you maximize both health benefits and flavor.
By understanding the types of olive oil and using them appropriately, you not only improve your cooking but also avoid the common mistakes associated with the oils, such as overheating polyunsaturated fats and losing nutrients.
Fake Olive Oil and Mislabeling What Most Consumers Don’t Know
Many people ask is olive oil a seed oil, but fewer realize that fake or mislabeled olive oil is a major concern in the market. Studies suggest that a significant portion of “extra virgin ” sold worldwide is either blended with seed oils or misrepresented in quality. This makes understanding labels and sourcing crucial for both health and taste.
Market Fraud Issue
Fraud in the olive oil industry is widespread. Some manufacturers blend cheap seed oils with real to cut costs, creating a product that looks like extra virgin olive oil but does not provide the same nutritional benefits. Consumers who unknowingly purchase these blends may be ingesting seed oils while believing they are using pure fruit oil.
Certification Limits
Even certification labels like PDO (Protected Designation of Origin) or PGI (Protected Geographical Indication) have limitations. While they indicate region or traditional production, they cannot fully guarantee purity, especially if blending occurs after bottling. This is why questions like is olive oil a reddit often surface people are confused about whether their “oil” is truly seed-oil-free.
Why Price Matters
Price is often a reliable indicator. High-quality extra virgin olive oil requires careful harvesting, mechanical extraction, and minimal processing. If a bottle costs unusually little, manufacturers may blend it with seed oils or refined oils. Choosing reputable brands helps you get fruit-based, nutrient-rich instead of a mislabeled seed oil blend.
Smell and Taste Indicators
True extra virgin olive oil has a fresh, fruity aroma and slightly peppery taste. Seed oil blends or refined products usually taste flat, greasy, or neutral. Learning to identify these sensory markers can help consumers avoid unknowingly consuming seed oils under the guise of olive oil.
How to Choose a Truly Seed-Oil-Free Olive Oil

If you’ve ever wondered is a seed oil, the next logical step is knowing how to pick an that is completely seed-oil-free. With so many options on the market, making the right choice ensures you enjoy the full health and culinary benefits of true olive oil.
Label Reading
The first step is careful label inspection. Look for terms like “extra virgin olive oil” or “cold-pressed”, which indicate mechanical extraction from olives without chemical solvents. Avoid products labeled “vegetable blend” or “light/pure olive oil”, as these often contain seed oils. Checking origin, harvest date, and certifications can also give clues about authenticity.
Storage Tips
Proper storage preserves the quality of olive oil. Choose dark glass bottles or tins to protect against light, store in a cool, dark place, and avoid heat exposure. Seed oils are often more prone to oxidation, so ensuring your is stored correctly helps maintain its fruit-derived properties and antioxidant levels.
Heat Tolerance
Understanding how to use different types of olive oil can prevent inadvertent damage. Extra virgin olive oil is stable for medium-heat cooking, while refined olive oil can handle higher temperatures. Avoid overheating to prevent nutrient loss and oxidation, which are concerns more pronounced in seed oils.
Buying Checklist Logic
To ensure you select a truly seed-oil-free olive oil, follow this checklist:
| Step | What to Check | Why It Matters |
| Label | Extra Virgin / Cold Pressed | Confirms fruit origin, not seed |
| Ingredients | 100% Olive Oil | Avoids seed oil blends |
| Price | Moderate to Premium | Low price may indicate blending |
| Packaging | Dark Bottle / Tin | Protects antioxidants and freshness |
| Certification | PDO / PGI / Organic | Adds credibility, though not foolproof |
By following these steps, you can confidently avoid oils, get true fruit-derived olive oil, and maximize both flavor and health benefits. Choosing correctly reinforces that is not a seed oil, keeping your cooking and diet aligned with the healthiest practices.
Environmental Impact of Olive Oil Compared to Seed Oils
The question is olive oil, a that extends beyond health and cooking it also has environmental implications. Choosing olive oil over seed oils can have a significant effect on sustainability, farming practices, and ecological impact.
Sustainability of Olive Oil Production
Olive oil is typically produced in traditional groves, where olives grow on trees for decades with minimal chemical inputs. This method supports biodiversity, soil health, and local ecosystems. In contrast, many seed oils come from industrial monoculture farms of soy, sunflower, or canola, which often rely heavily on pesticides, herbicides, and synthetic fertilizers. These practices can lead to soil degradation, water pollution, and habitat loss.
Industrial Farming vs Traditional Groves
Seed oil production is highly mechanized, requiring large-scale irrigation, extensive chemical use, and rapid harvesting. Olive oil, especially extra virgin varieties, often comes from manual or semi-mechanical harvesting, preserving natural landscapes and reducing environmental footprint. Even refined has a lower ecological cost compared to mass-produced seed oils.
Consumer Awareness Trends
More and more consumers are asking, “Is olive oil considered a for cooking?”
with sustainability in mind. Those choosing olive oil are not just opting for health benefits—they are also supporting environmentally responsible farming. Olive production encourages smaller farms, traditional methods, and less reliance on industrial chemicals, which contrasts sharply with modern seed oil cultivation.
Should You Replace Seed Oils With Olive Oil?

After exploring is olive oil a seed oil, many readers ask whether they should completely replace seed oils in their kitchens. The answer depends on dietary goals, cooking habits, and health priorities, but for most people, replacing oils with olive oil is a smart move.
Who Should Switch
Individuals focused on heart health, reducing inflammation, and eating a more natural diet will benefit the most from replacing oils with olive oil. People who frequently cook with industrial oils, eat processed foods, or follow anti-inflammatory or Mediterranean-style diets are ideal candidates for the switch.
Cooking Transition Tips
Transitioning doesn’t have to be complicated. Start by:
- Using extra virgin olive oil for salads and low-heat cooking
- Replacing refined seed oils in sautéing or light frying with refined or light olive oil
- Gradually eliminating processed foods containing seed oils from your diet
These small changes allow you to retain flavor, health benefits, and cooking performance without abruptly altering your recipes.
When Refined Olive Oil Is Acceptable
For high-heat cooking, such as deep frying, refined the can safely replace seed oils because it has a higher smoke point and still retains fruit-based properties. Unlike seed oils, which are more prone to oxidation, refined olive offers a more stable, nutrient-conscious alternative.
By thoughtfully replacing seed oils with olive oil, you improve both culinary quality and health outcomes while ensuring your fat intake comes from fruit-derived, non-seed oils. This approach answers the key question is a seed oil for cooking while giving practical, real-world guidance.
Final Verdict : Why Understanding This Difference Matters
After exploring the question, a seed oil from multiple angles botanical, nutritional, culinary, and environmental. The answer is clear: olive oil is a fruit-derived oil, not a seed oil. This distinction is more than technical; it directly affects your health, cooking choices, and long-term wellness.
Understanding this difference allows you to make informed decisions in the kitchen. Olive oil provides stable, monounsaturated fats, rich antioxidants, and heat tolerance that most oils cannot match. It supports heart health, reduces inflammation, and enhances overall nutrition, making it a superior choice for both raw and cooked applications.
From a practical standpoint, knowing the difference helps you avoid mislabeled or blended oils. By choosing true extra virgin olive oil, reading labels carefully, and using the right type of olive oil for cooking or finishing, you ensure you are consuming a fruit-based oil free from seed oils, maximizing both flavor and health benefits.
Additionally, considering the environmental impact reinforces your choice. Olive oil production from traditional groves is generally more sustainable than industrial seed oil farming, supporting biodiversity and reducing chemical reliance.
FAQs
1. Is olive oil a seed oil?
No, olive oil is not a seed oil. It is extracted from the fleshy fruit of the olive tree, not the seed. Unlike seed oils such as sunflower or soybean oil, olive oil is fruit-based, retains natural antioxidants, and is minimally processed, making it healthier and more stable for cooking.
2. What are seed oils and how are they different from olive oil?
Seed oils are derived from the seeds of plants like sunflower, soybean, corn, and canola. They are often highly processed, rich in omega-6 polyunsaturated fats, and prone to oxidation when heated. Olive oil, by contrast, comes from olives (fruit), is rich in monounsaturated fats, and has natural antioxidants that support heart health and reduce inflammation.
3. Can olive oil be used for high-heat cooking instead of seed oils?
Yes, certain types of olive oil, such as refined or light olive oil, have a higher smoke point suitable for medium to high-heat cooking. Extra virgin olive oil is best for low-heat cooking or as a finishing oil. Unlike seed oils, olive oil is more stable and less prone to oxidation, making it a healthier choice in most culinary applications.
4. Is olive oil bad for you if used like seed oils?
No, olive oil is not bad for you when used appropriately. Unlike many seed oils that can contribute to inflammation when overused, olive oil contains monounsaturated fats and antioxidants that support heart health, reduce inflammation, and provide numerous benefits when incorporated into a balanced diet.
5. How can I make sure my olive oil is truly seed-oil-free?
To avoid seed oil blends, choose extra virgin olive oil with clear labeling, check for 100% olive oil on the ingredients list, and avoid “light” or “pure” labeled oils that may be refined. Proper storage in dark bottles, away from heat and light, also preserves the oil’s quality and keeps it fully fruit-derived, not a seed oil.