Olive Oil vs Other Cooking Oils: How It Really Compares

Every few years a new oil is crowned the healthiest thing you can cook with. Most of that noise is marketing. Here is the honest lie of the land — what the seed oils, the fashionable ones, and olive oil actually are.

The oil shelf has never been longer or more confusing. Sunflower, rapeseed, soybean, corn, coconut, avocado, grapeseed, and a dozen ‘blends’ all promise health in a bottle. Strip away the packaging and there are really only three groups that matter: the cheap refined seed oils, the fashionable ones, and olive oil — which is a different kind of thing altogether.

	Refined seed oils	Extra virgin olive oil
How it’s made	Heat & solvent extraction, refined	Simply crushed fruit, unrefined
Flavour	Deliberately neutral	Its own — grass, pepper, fruit
Polyphenols	Stripped out	Retained (the health story)
Smoke point	Very high	High enough for home cooking
Best for	Flavourless deep-frying	Cooking and raw finishing

The seed oils

Sunflower, rapeseed (canola), soybean and corn oil are cheap, neutral and high-smoke-point — because they are refined, processed with heat and solvents into a flavourless, shelf-stable product. That is fine for deep-frying where you want no taste, but it strips out the character and the polyphenols a good olive oil keeps. Rapeseed has a genuinely decent fat profile; the rest are mostly just ‘fat’ doing a mechanical job.

The fashionable ones

Coconut oil is highly saturated — the ‘superfood’ hype ran well ahead of the evidence, so treat it as a flavour, not a health food. Avocado oil is genuinely good: high in monounsaturated fat, like olive oil, with a high smoke point — but pricey and, like olive oil, often adulterated or mislabelled. Neither displaces olive oil; they sit beside it at best.

Where olive oil actually wins

Extra virgin olive oil is the only thing on that shelf that is simply fresh fruit juice — unrefined, carrying both monounsaturated fat and antioxidant polyphenols, plus real flavour. Its smoke point is high enough for any home cooking (the low-smoke-point scare is a myth), and it is the most studied, most food-traditional fat there is. The catch is quality: the grade only means something if the oil is fresh and honestly made, which is a whole story in how oil gets cut.

The sensible kitchen

You do not need ten oils. Keep two: a good extra virgin olive oil for cooking and for finishing raw, and maybe one cheap neutral oil for the rare deep-fry where you want no flavour at all. That is it. The expensive single-estate bottle is for raw drizzling, where you taste it; the everyday EVOO does the cooking. Almost everything else on that shelf is the same refined fat in different bottles.

Extra virgin olive oil	Unrefined fruit juice; flavour + polyphenols; cook & finish
Rapeseed / canola	Refined; good fat profile; neutral cooking
Sunflower / soybean / corn	Refined; mostly neutral fat; frying
Coconut	Highly saturated; a flavour, not a health food
Avocado	Good monounsaturated fat; costly, often mislabelled

The two-bottle rule

• Keep a good everyday EVOO for nearly all cooking and finishing.
• Keep one cheap neutral oil only for tasteless deep-frying.
• Save any single-estate bottle for raw drizzling, where you taste it.
• Ignore the smoke-point scare — EVOO is fine for home heat.

Olive oil vs other oils: common questions

Is it safe to cook with extra virgin olive oil?

Yes. Its smoke point is comfortably high enough for normal home cooking; the idea that it is only a finishing oil is a persistent myth.

Is avocado oil healthier than olive oil?

It has a similar monounsaturated-fat profile, but olive oil carries polyphenols and centuries of study behind it. Avocado oil is a fine alternative, not an upgrade — and it is often mislabelled.

Is coconut oil a health food?

Not really. It is highly saturated and the superfood claims outran the evidence. Enjoy it as a flavour where you want it, not as a health strategy.

Why is olive oil different from seed oils?

Seed oils are refined with heat and solvents into a neutral fat. Olive oil is simply crushed fruit, unrefined, keeping its flavour and its antioxidant polyphenols.

How many cooking oils do I really need?

Two: a good extra virgin olive oil for almost everything, and one cheap neutral oil for the occasional flavourless deep-fry.

Drawn from oil-processing basics and dietary-fat research, de-hyped.