The Great Cooking Oil Confusion: What Should You Really Be Cooking With?

Most Americans consume cooking oils every single day, yet few realize that the type of oil they use may have a profound impact on inflammation, metabolic health, cardiovascular disease, and overall wellness.

The modern grocery store presents dozens of options, each marketed as “heart healthy,” “cholesterol free,” or “doctor recommended.” Unfortunately, many of these claims are driven more by marketing than science.

Let’s separate fact from fiction.

One of the healthiest fats available is extra virgin olive oil.

In fact, olive oil could arguably be called “olive juice.”

Why?

Because olives are a fruit—not a vegetable. Extra virgin olive oil is simply the oil mechanically pressed from the fruit itself, much like orange juice is pressed from an orange.

Unlike highly processed seed oils, true extra virgin olive oil undergoes minimal processing and retains valuable polyphenols, antioxidants, and anti-inflammatory compounds.

Numerous studies have associated high-quality olive oil consumption with improved cardiovascular health, lower inflammation, and increased longevity.

Not all olive oil is created equal.

Unfortunately, counterfeit and adulterated olive oils are common throughout the world. Some products labeled “extra virgin olive oil” may be diluted with cheaper seed oils or may have been exposed to excessive heat and processing that destroys beneficial compounds.

When choosing olive oil:

• Look for “Extra Virgin Olive Oil” (EVOO)

• Prefer dark glass bottles

• Look for a harvest date

• Choose reputable producers

• Avoid products that have been sitting on shelves for years

A good olive oil should smell fresh, grassy, peppery, or fruity—not stale or rancid.

When cooking with oils, one important consideration is the smoke point—the temperature at which an oil begins to break down and produce potentially harmful oxidation products.

The higher the cooking temperature, the more important it becomes to choose the right fat.

Extra Virgin Olive Oil

• 325–375°F

• Best for dressings, dipping, sauces, finishing foods, and light sautéing

Virgin Coconut Oil

• 350°F

• Good for moderate-heat cooking and baking

Refined Coconut Oil

• 400–450°F

• Better for higher-temperature cooking

Ghee (Clarified Butter)

• 450–485°F

• Excellent for sautéing and higher-heat cooking

Avocado Oil

• 500–520°F

• One of the best choices for grilling, roasting, and high-heat cooking

Choose:

• High-quality extra virgin olive oil

Choose:

• Olive oil

• Coconut oil

• Grass-fed butter

Choose:

• Avocado oil

• Ghee

Choose:

• Avocado oil

• Ghee

Many processed foods contain industrial seed oils such as:

• Soybean oil

• Corn oil

• Cottonseed oil

• Canola oil

• Sunflower oil

• Safflower oil

• Grapeseed oil

These oils are often extracted using high heat, chemical solvents, bleaching, and deodorizing processes.

Many are rich in omega-6 fatty acids that, when consumed excessively relative to omega-3 fats, may contribute to chronic inflammation and metabolic dysfunction.

While an occasional exposure is unlikely to be catastrophic, the average American consumes these oils in staggering quantities through restaurant foods, packaged snacks, fast food, salad dressings, and processed products.

The real issue is cumulative exposure.

If I were stocking a kitchen today, I would keep just four fats:

1. Extra Virgin Olive Oil

2. Avocado Oil

3. Grass-Fed Butter

4. Ghee

These four options cover nearly every cooking situation while minimizing reliance on heavily processed industrial oils.

Our ancestors didn’t spend thousands of years eating oils extracted in industrial factories. They consumed fats that came directly from nature—animals, fruits, nuts, and traditional foods.

Olive oil is essentially the juice of a fruit. Coconut oil comes from a coconut. Butter comes from milk.

The closer we stay to foods as God created them, the better our chances of supporting long-term health.

When it comes to cooking oils, simplicity often wins.

Choose real food. Choose minimally processed fats. And remember that not everything marketed as “healthy” deserves a place in your kitchen.

1. Estruch R, et al. Primary Prevention of Cardiovascular Disease with a Mediterranean Diet. New England Journal of Medicine. 2018.

2. Schwingshackl L, et al. Olive oil consumption and risk of cardiovascular disease and mortality. BMC Medicine. 2019.

3. Guasch-Ferré M, et al. Olive oil intake and cardiovascular risk. Circulation. 2020.

4. USDA FoodData Central. Cooking fat composition and smoke point data.

5. DiNicolantonio JJ, O’Keefe JH. The importance of maintaining a low omega-6/omega-3 ratio. Open Heart. 2018.

Jeffrey I. Barke, MD
America’s Real Doctor

Board Certified Primary Care Physician, practicing holistic and integrative medicine

Co-author, Unavoidably Unsafe: Childhood Vaccines Reconsidered (with Edward Geehr, MD)

Author, Morning Message

Mastering Your Health: What They Didn’t Teach Me in Medical School — coming soon

Website: RxForLiberty.com
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