Grapeseed Oil: What It Is, How It’s Made, and How We Think About It

Emily Tam
Graphic for a blog post about what grapeseed oil is, how it is made, and how it compares to avocado oil

You've probably spotted grapeseed oil on a restaurant menu, in a bottle at the grocery store, or buried in the ingredient list of your favorite packaged snack. It gets a lot of praise for being "light," "neutral," and even "nutritious." But what actually is grapeseed oil, and does it live up to the hype? Let's dig in.

What is grapeseed oil?

Grapeseed oil is exactly what it sounds like: oil extracted from grape seeds. It's most commonly produced as a byproduct of winemaking. After grapes are pressed for juice or wine, the leftover seeds are dried and processed to pull out the oil.

Because grape seeds are tiny and naturally low in oil, extracting usable amounts isn't a simple or gentle process. That's where the story gets more complicated.

How grapeseed oil is made

A small amount of cold-pressed grapeseed oil exists, but the vast majority on store shelves is refined. Here's what that process typically looks like:

  • High-heat drying and pressing: Seeds are heated and mechanically pressed to begin releasing oil.
  • Solvent extraction: Chemical solvents, often hexane, are used to pull out additional oil and improve yield.
  • Refining: The crude oil is degummed, bleached, and deodorized using additional heat and processing to neutralize flavor, remove odors, and improve color.
  • Standardization: Antioxidants may be added post-refining to slow rancidity.

That refining process is what creates the neutral taste and pale color people expect. It also strips away many of the oil's natural compounds and exposes its delicate fats to significant heat and air along the way.

Why grapeseed oil became popular

Grapeseed oil earned its reputation for a few reasons:

  • Neutral flavor: It doesn't compete with other ingredients, which makes it versatile in the kitchen.
  • High smoke point on paper: Refined grapeseed oil is often listed around 420°F.
  • Marketing as a "light" or "nutritious" oil: It's low in saturated fat and sometimes promoted for its vitamin E content.

For a deeper comparison, check out Grapeseed Oil vs. Avocado Oil: The Showdown.

Close-up of cooking oil being poured, representing the discussion of grapeseed oil and its processing

The part you don't always hear

Highly polyunsaturated and fragile

  • Grapeseed oil is predominantly linoleic acid (omega-6 PUFA), often around 70% or more.
  • Polyunsaturated fats (PUFAs) are inherently less stable than monounsaturated or saturated fats when exposed to heat, light, and air.
  • Even with a high listed smoke point, a high-PUFA oil can oxidize and break down more readily during storage and cooking, forming off-flavors and reactive byproducts.

Want to go deeper on this topic? Our Guide to Polyunsaturated Fats (PUFA) covers the full picture.

Omega-6 content without omega-3 balance

  • Grapeseed oil is extremely high in omega-6 and contains virtually no omega-3.
  • Many modern diets already skew heavily toward omega-6 fats. When omega-6 intake is high and omega-3 intake is low, it can tilt the body's fatty acid balance in a direction that may promote pro-inflammatory pathways.
  • The issue isn't that omega-6 is inherently harmful. It's that balance matters, and grapeseed oil does not help restore it.

Oxidation and heat use

  • High-PUFA oils are more prone to oxidation during refining and cooking, especially at high heat.
  • Oxidation can generate compounds like aldehydes and other breakdown products.
  • Bottom line: smoke point is not the same as oxidative stability. An oil can have a high smoke point and still be relatively unstable when heated.

Industrial processing, not minimal

  • Most grapeseed oil is solvent-extracted and heavily refined to make it palatable and shelf-stable.
  • While final products are tested for solvent residues, the overall process involves far more steps than the simple pressing used with many fruit-based oils.

Vitamin E claims, with a catch

  • You may see vitamin E listed as a perk of grapeseed oil. But refining reduces natural antioxidants, and high-PUFA oils may need added stabilizers to delay rancidity.
  • Worth noting: grapeseed extract (used as a supplement) is not the same as grapeseed cooking oil. The extract can be rich in polyphenols; the refined cooking oil is not.

The fatty acid question

Grapeseed oil is often positioned as a solid choice because it's low in saturated fat. But the full picture involves more than one number:

If you're thinking about oils with better oxidative stability and a more favorable fatty acid profile for cooking, grapeseed oil typically doesn't top that list.

Cold-pressed grapeseed oil: any better?

Cold-pressed versions are rarer and usually pricier, and they do avoid solvents while retaining more of the oil's native compounds. Two things to keep in mind, though:

  • It's still very high in omega-6, so the balance question remains.
  • It's still fragile. Even without heavy refining, high-PUFA oils are not ideal for high-heat cooking or long shelf life.

Where you'll find grapeseed oil

Grapeseed oil shows up in more places than you might expect:

  • Restaurant fryers and commercial kitchens
  • Bottled salad dressings and marinades
  • Mayonnaise and aioli
  • Packaged snacks and crackers
  • Home kitchen bottles marketed for searing or neutral-flavor baking

Reading ingredient labels is one of the simplest ways to spot it. If you're curious about how to identify different oils in everyday foods, our Guide to Identifying Seed Oils in Everyday Foods is a helpful place to start.

Why Jackson's cooks with avocado oil

At Jackson's, every chip and snack is cooked in avocado oil. Here's why it's the oil we always reach for:

  • Less processed: High-quality avocado oil is typically expeller-pressed from the fruit's pulp, similar in spirit to olive oil.
  • Better stability for cooking: Avocado oil is rich in monounsaturated fat (oleic acid), which is more stable under heat than highly polyunsaturated oils.
  • Genuinely high-heat friendly: Refined avocado oil has a high smoke point and strong oxidative stability.
  • Neutral, fresh flavor: It lets real ingredients shine without competing with them.

Avocado Oil Always. That's the Jackson's standard.

Smart swaps: what to use instead of grapeseed oil

Looking to make a swap in your own kitchen? Here are some go-to options:

  • Everyday sautéing and roasting: Avocado oil or extra-virgin olive oil work well. Use extra-virgin olive oil for medium heat and refined avocado oil for higher heat.
  • High-heat frying: Refined avocado oil is a reliable choice.
  • Dressings and dips: Extra-virgin olive oil or a blend of olive oil and avocado oil.
  • Baking: Avocado oil, butter, or ghee depending on the recipe.

For a head-to-head comparison of two popular choices, see Avocado Oil vs. Tallow: Making the Best Choice for You.

How to shop and cook smarter

  • Read labels: Grapeseed oil shows up in places you might not expect, from dressings and mayo to crackers and chips.
  • Store oils wisely: Keep oils away from heat and light and use them within a reasonable time. If an oil smells paint-like, grassy-bitter, or just off, it's likely oxidized.
  • Don't equate smoke point with stability: Consider the oil's fatty acid profile and oxidation resistance, not just the temperature at which it smokes.

Common questions

Is grapeseed oil a seed oil?

Yes. Despite coming from a fruit, the oil is pressed from the grape's seeds, so it's classified as a seed oil.

Is grapeseed oil GMO?

Grapes used for grapeseed oil are generally not GMO. The more relevant considerations tend to be the oil's fatty acid profile, oxidative stability, and the extent of industrial processing involved.

Is grapeseed oil okay for skincare?

Many people use it topically because it's light and absorbs quickly. This article focuses specifically on grapeseed oil as an edible cooking and snacking oil.

The bottom line on grapeseed oil

Grapeseed oil has a compelling marketing story: neutral flavor, high smoke point, low saturated fat. But once you look at the full picture, including its ultra-high omega-6 content, industrial processing, and relative fragility under heat, it's worth considering your options before defaulting to it.

Understanding what's in your oils is part of feeling good about what you eat. Flip the label, know what you're cooking with, and seek balance in your fats, not just a single impressive number on the bottle.

Read next: Grapeseed Oil vs. Avocado Oil: The Showdown