Is sesame oil healthy or bad for you? What the evidence says

Yes, sesame oil is healthy for most people when you use it in normal cooking amounts. Is sesame oil bad for you? Not in the way many seed oil posts claim: it's about 80% unsaturated fat, has no sodium or cholesterol, and toasted or cold-pressed bottles are usually pressed rather than chemically extracted. The real downsides are practical ones: it's calorie-dense, it's very high in omega-6 with almost no omega-3, and sesame is a major allergen.

Key takeaways

• Sesame oil is mostly unsaturated fat, roughly half monounsaturated and half polyunsaturated, according to USDA data.
• It is a seed oil, but toasted and cold-pressed versions are usually mechanically pressed, not solvent-extracted like most soybean or canola oil.
• Current human evidence does not show that sesame oil causes inflammation, and it doesn't prove it is anti-inflammatory either.
• Like every oil, it's calorie-dense, so the amount matters more than the type.
• Sesame is a major US food allergen, and many sesame oils are unrefined enough to contain protein.

Is sesame oil healthy? The verdict at a glance

Sesame oil nutrition: is it a healthy fat?

Per 100 g, USDA FoodData Central lists sesame oil at 884 calories, 14.2 g saturated fat, 39.7 g monounsaturated fat and 41.7 g polyunsaturated fat, with 0 mg sodium and 0 mg cholesterol. Scaled to a standard tablespoon of about 13.6 g, that works out to the figures below.

Calculated from USDA per 100 g values for "Oil, sesame, salad or cooking" (FDC ID 171016).

So is sesame oil a good fat? By fat type, yes. About four fifths of it is unsaturated, which places it between olive oil (mostly monounsaturated) and oils like corn or soybean (mostly polyunsaturated). Its saturated fat is low compared with butter or coconut oil.

The less flattering detail is the omega balance. In the USDA record, sesame oil has 41.3 g of linoleic acid (omega-6) and just 0.3 g of omega-3 per 100 g. That isn't harmful by itself, but it means sesame oil does nothing for your omega-3 intake. Fish, walnuts, flaxseed or chia have to cover that part.

What sets sesame oil apart from most seed oils is its natural lignans, mainly sesamin, sesamolin and sesamol. These antioxidant compounds help explain why sesame oil keeps longer before turning rancid than many oils with a similar fat profile.

Is sesame oil a seed oil, and is it as bad as other seed oils?

Yes, sesame oil is a seed oil. It's pressed from the seeds of Sesamum indicum, and it often appears on the "avoid" lists shared by wellness creators. Our list of seed oils and their label names shows where it sits in the wider group.

But "seed oil" covers very different products. The concerns you see online usually bundle three things together:

• Processing, especially hexane extraction followed by refining, bleaching and deodorizing
• Omega-6 load across the whole diet
• How the oil is used, mostly in ultra-processed foods and restaurant deep fryers

Sesame oil only fully matches the second point. Toasted and cold-pressed sesame oils are usually squeezed out mechanically, and most home cooks use a teaspoon or two for flavor, not cups for frying. A bag of chips fried in soybean oil and a drizzle of toasted sesame oil on rice are not the same exposure, even though both count as "seed oil."

If your goal is to cut down on seed oils, the bigger wins are usually in packaged foods. Our guide to foods with seed oils shows where they hide, and these seed oil free snacks are an easy place to start swapping.

Does sesame oil cause inflammation?

Current human evidence does not show that sesame oil causes inflammation at normal intake. This is the most common worry behind searches like "is sesame oil inflammatory," and it comes from the theory that linoleic acid turns into inflammatory compounds in the body.

In practice, human studies haven't backed that theory up. An American Heart Association science advisory reviewed the omega-6 research and supported getting at least 5% to 10% of daily calories from omega-6 fats as part of a heart-healthy diet, rather than cutting them.

So is sesame oil anti-inflammatory? That claim goes further than the evidence. A systematic review and meta-analysis of randomized trials found that sesame products lowered the inflammatory marker IL-6, but had no significant effect on CRP or TNF-alpha overall. Those trials mixed sesame seeds, sesamin capsules and sesame oil, so the result isn't specific to the oil you cook with.

Trials using sesame oil itself are small and narrow. In one 12-week randomized trial in women with fatty liver disease, swapping sunflower oil for sesame oil didn't significantly change the main blood lipid levels in either group, although the total-to-HDL cholesterol ratio improved more with sesame oil. The fair summary: sesame oil isn't shown to be inflammatory, and it isn't proven to fight inflammation.

Is sesame oil ultra processed? Toasted vs cold-pressed vs refined

No, plain sesame oil isn't an ultra-processed food. In the NOVA food classification, cooking oils are "processed culinary ingredients," a separate group from ultra-processed products. That said, how a bottle is made does vary a lot, and that's where the "highly processed" question has a real answer.

If processing is your main concern, the method words on the label tell you the most. "Cold-pressed," "expeller-pressed," "unrefined" and "toasted" point to mechanical pressing. "Pure sesame oil" alone says nothing about how the oil was made.

Is toasted sesame oil healthy?

Toasted (roasted) sesame oil is just as healthy as the light kind for most people. The fat profile is close, and roasting adds flavor, so you tend to use less. Is toasted sesame oil inflammatory? There's no human evidence that it is.

The one real catch is heat. Toasted sesame oil smokes quickly and turns bitter at high temperatures, so it works best stirred in at the end of cooking or used in dressings. Neither toasted nor light sesame oil is clearly healthier than the other. They're simply built for different jobs.

Is sesame oil healthy for cooking?

Yes, as long as you match the type to the heat. Refined or light sesame oil handles stir-frying and sautéing well. Toasted sesame oil is a flavoring oil, so keep it for the last minute of cooking or for cold dishes.

A few habits keep it at its best:

• Store it away from the stove and light, in a dark bottle if possible.
• Smell it before using. Rancid oil smells like crayons or paint, and it's time to toss it.
• Buy smaller bottles if you only use it a few times a month.

When sesame oil can be bad for you

A few situations are worth knowing, and none make sesame oil uniquely harmful:

• Sesame allergy. The FASTER Act made sesame the ninth major food allergen in the US, with labeling required from January 1, 2023. Many sesame oils are unrefined and can still contain sesame protein, so anyone with a sesame allergy should check with their allergist before using any of them.
• Too much of it. Like any oil, sesame oil adds calories fast and can crowd out other foods.
• Overheated or old oil. Toasted sesame oil pushed past its smoke point turns acrid, and rancid oil has lost much of its quality.

How to read a sesame oil label

On the bottle itself, look for:

• "100% sesame oil" in the ingredient list. Some cheaper bottles are blends with soybean or canola oil, and the front label may not make that obvious.
• "Toasted" or "roasted" for a flavoring oil, and "cold-pressed" or "expeller-pressed" for mechanical extraction.
• A best-by date and a dark bottle, which help protect the oil from light and oxidation.

In packaged foods, sesame oil shows up as "sesame oil," "toasted sesame oil" or a "Contains: Sesame" allergen statement. You'll find it in Asian-style sauces at Trader Joe's and Walmart, frozen dumplings, stir-fry kits, bottled dressings and ramen seasoning packets. Ingredients are listed by weight, so a sauce that says "soybean oil, sesame oil" is mostly soybean oil.

Sesame-flavored sauces are also where the sodium question comes from. The oil has none, but dressings and stir-fry sauces built around it often lean on soy sauce. Our guide on how to spot hidden sodium on food labels helps you check those quickly.

Frequently asked questions

Is sesame oil fattening?

Sesame oil isn't more fattening than other oils. All cooking oils are pure fat and close to the same calorie count, and USDA data puts sesame oil at 884 calories per 100 g, about 120 per tablespoon (USDA FoodData Central). Measuring a teaspoon instead of free pouring is the simplest way to keep it in check.

Is sesame oil saturated or unsaturated fat?

Sesame oil is mostly unsaturated fat. About four fifths of it is monounsaturated and polyunsaturated fat, with a smaller share of saturated fat, which is why it stays liquid at room temperature.

Is sesame oil high in sodium?

No. Plain sesame oil contains no sodium. If a sesame product is salty, the salt is coming from other ingredients, usually soy sauce or seasonings in a sauce or dressing.

Is too much sesame oil bad for you?

Using a lot of any oil adds calories quickly and can push out other foods. Sesame oil also brings plenty of omega-6 and almost no omega-3, so it works best as a flavoring alongside other fat sources, not as your only cooking oil.

Is sesame oil healthier than olive oil?

Not clearly. Olive oil is mostly monounsaturated fat and has much more research behind it, while sesame oil is more evenly split between monounsaturated and polyunsaturated fat. If you want a faster way to check which oils, allergens and additives are in the products you already buy, scanning a few labels with Osana can help.