Grandma’s Kitchen Secrets: Kalonji Oil vs Black Seed Oil – Are They the Same Thing?

You may know it as kalonji oil. Someone else may call it black seed oil, black cumin seed oil or Nigella sativa oil.

So are these really the same oil, or are you looking at different products?

Grandma knows it as kalonji. But when traditional ingredients travel from one country and culture to another, their names often change.

In this case, the answer starts with the name of the plant.

Are Kalonji Oil and Black Seed Oil the Same?

Yes, provided both refer to oil from Nigella sativa.

Kalonji is the familiar South Asian name for the small black seeds of Nigella sativa. Black seed is another widely used English name for those seeds.

Kalonji oil = black seed oil = Nigella sativa oil.

Different names, same plant. That does not mean every bottle is identical: ingredients, blends and intended uses can differ, so always check the individual product label.

At Curry Kart, you can explore Heera Black Seed Oil (Kalonji Oil) and Niharti Virgin Blackseed Oil (Kalonji Oil).

Why Is It Sometimes Called Black Cumin Oil?

This is where Grandma's simple ingredient suddenly becomes confusing.

You will frequently see Nigella sativa described as black cumin. But it is not the ordinary cumin, Cuminum cyminum, that you would normally add to a curry.

Common names can overlap with other plants. Rather than relying entirely on words such as “black cumin”, look for the botanical name Nigella sativa on the label.

For further reading on these names, see Mountain Root's guide to nigella, black cumin and kalonji.

What About Kalonji Seeds?

Those little matt-black seeds you may already have in your masala box are Nigella sativa too.

Kalonji is familiar in South Asian cooking and can appear in breads, pickles, curries and spice mixtures such as panch phoron. If you are looking for the whole spice rather than the oil, explore Heera Kalonjee (Nigella / Black Onion Seeds).

Despite the common name “black onion seeds”, nigella seeds are not onion seeds. This is another reason the botanical name is useful.

Kalonji oil is produced from these seeds. Someone who grew up hearing Grandma say kalonji may encounter a bottle labelled black seed oil in Britain and understandably wonder whether it is something completely different.

The name alone does not make it different. Check the plant, ingredients and directions to understand the particular bottle.

Is Black Seed Oil the Same as Black Sesame Oil?

No. They come from different plants.

Black seed oil comes from Nigella sativa. Black sesame oil comes from Sesamum indicum.

They are different oils despite both having “black” in their names. Do not use the names interchangeably when choosing a product.

For more on this distinction, see I'm A Natural's black seed oil and black sesame oil comparison.

Why Has Kalonji Become So Popular?

Kalonji has a long history of traditional use, which has helped generate modern interest in black seed oil.

One naturally occurring constituent that researchers have investigated is thymoquinone. Research interest, however, is not a reason to treat a bottle of oil as a medicine.

You may see black seed oil promoted online with wide-ranging health claims. Do not assume those claims apply to a particular product or make it a treatment for a medical condition. For health-related background, read Cleveland Clinic's overview of black seed oil.

Grandma's Kitchen Secrets prefers a simple rule:

Respect traditional knowledge, but do not turn tradition into a medical promise.

This article is an ingredient guide, not medical advice. If you are considering black seed oil for a health reason, speak to a qualified healthcare professional, particularly if you take medicines, are pregnant or are breastfeeding. Do not replace prescribed treatment with it.

What Should You Look for When Buying Kalonji Oil?

Start with the label. Look for Nigella sativa rather than assuming every product called “black cumin” is identical.

• Ingredients: check whether the bottle contains black seed oil alone or a blend.
• Intended use: check whether it is labelled for food use or external use. Do not ingest an oil unless the packaging confirms it is suitable for consumption.
• Product claims: do not assume every black seed oil is cold-pressed, pure or made in the same way. Look for confirmation on the manufacturer's label.
• Directions and storage: follow the instructions on the particular bottle rather than advice for a different product.

If the bottle is labelled for external use, follow its directions and patch-test before applying to skin or scalp.

Kalonji, Black Seed, Nigella: Grandma's Simple Answer

Next time somebody asks, “Is kalonji oil the same as black seed oil?”, Grandma's answer is:

Yes, when both refer to oil from Nigella sativa. But check the label to understand what is in your bottle and how it should be used.

Kalonji is the name generations of South Asian families may recognise immediately. Black seed oil is the name many British shoppers encounter online.

Different languages and traditions have given this little black seed several names. Sometimes the mystery behind an unfamiliar ingredient is simply discovering that you already knew it by another name.

Shop Kalonji Oil and Seeds at Curry Kart

Looking for black seed oil or the whole spice? Explore these products and check each listing and bottle label for details.

Heera Black Seed Oil (Kalonji Oil)

A Heera-branded option for shoppers looking for black seed or kalonji oil. Follow the bottle's ingredients, intended-use guidance and directions.

Niharti Virgin Blackseed Oil (Kalonji Oil)

Another black seed oil option from Niharti. Check the label for the manufacturing details and whether your bottle is suitable for food use or external use.

Heera Kalonjee (Nigella / Black Onion Seeds)

Choose the whole seeds when your recipe calls for kalonji in breads, pickles or a spice mixture rather than oil.

UK delivery is available on eligible products. Enter your postcode at checkout to see the delivery options and charges for your order.

Curry Kart
1215 Christchurch Road
Bournemouth, BH7 6BW

www.currykart.co.uk

Frequently Asked Questions

Is kalonji oil the same as black seed oil?

Yes, when both refer to oil derived from Nigella sativa. Check each product's ingredients and intended use because formulations can differ.

Is kalonji the same as Nigella sativa?

Kalonji is a commonly used South Asian name for the seeds of Nigella sativa.

Is black seed oil the same as black cumin oil?

“Black cumin oil” is commonly used for Nigella sativa oil, but common names can be ambiguous. Look for Nigella sativa on the label.

Is black seed oil the same as black sesame oil?

No. Black seed oil comes from Nigella sativa, while black sesame oil comes from Sesamum indicum.

Can I use any black seed oil in cooking?

No. Only use it in food if the packaging confirms it is suitable for consumption, and follow the manufacturer's directions. Products labelled for external use should not be ingested.

Where can I buy kalonji oil in the UK?

Explore Heera Black Seed Oil and Niharti Virgin Blackseed Oil at Curry Kart. Check current availability on the product pages and enter your postcode at checkout for delivery options.