can black seed oil go bad

Can Black Seed Oil Go Bad?

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Can black seed oil go bad? Many people keep sharing their testimony on black seed oil because of its medicinal value. It has been proven to have a wild effect in reducing blood pressure and some other health issues.

Being a chef and storekeeper, I have to embark on a mission to know the shelf of black seed oil so that the expired one will have a mild effect on the consumers.

Now I have found some vital results which I know can help you to preserve and know when this wonderful oil goes south

Also, to give you the answer to the question does black seed oil go bad?

Black seed oil can go bad if not stored properly in the right conditions necessary. It tends to lose its qualities after a long period of storage.

My friend asked me this question. And what did I do? At first, I had to rethink if I have ever heard the word black seed oil, sure I haven’t heard of it.

In other to increase my knowledge and to be able to give him the right answer, I have to make good research starting from the National Library and the internet my best friend as well.

Of course, I learned so many things after my research,

I had to know that these wonderful herbal seeds have enormous health benefits.

This amazing seed is formally known as Nigella Sativa. It is a flowering plant that grows from 20 to 30cm tall.

You can find it in the eastern Mediterranean, North Africa, West Asia, and the Indian subcontinent.

The leaves are finely divided with no thread-like, their color ranges from pale blue to white, their seeds are inflated, and may sometimes contain more than five capsules.

The seeds of Nigella sativa are mostly used as a spice. It is approved to be safe for consumption by the United States Agency for Food and drug administration.


How Long Does Black Seed Oil Last?

Properly stored black seed oil lasts for more than 2 years. If exposed to high levels of heat and moisture black seed oil may lose its qualities

like aroma and flavor over time and can develop a hazy appearance but black seed oil should still be safe for use.

This wonder seed has so many health benefits but do you know how to take it? Don’t worry I will tell you the dosage advice for it. 

Since the emergence of this, they have been not enough evidence to support its dosage of it.

I will advise you to stick to your medical practitioner’s advice or intake or application of it.

However, few dosage prescriptions have worked according to research.

What is your opinion on this? do you think it is overrated or people are truly testifying about it?

Some say it works lots more than mustard.

While others believe that they are two different entities.

Should Black Seed Oil Be Refrigerated?

Yes, you can refrigerate black seed oil unopened but it must be at optimum temperature and stable. So, if you are having trouble with electricity blackout in your location, I suggest you don’t keep it near the fridge.

Changes in temperature reduce the shelf life and the wonderful qualities of this oil.

However, if you have broken the seal or used half of the oil in the bottle and you’re thinking of storing it, do not put it close to the fridge.

Also, here are some articles I think you will like to read on fruits, food, vegetables, and juice shelf life

  1. How long does rhubarb last in the fridge? Keeping this veggie in the fridge, freezer, and on the counter safely is the best way to extend its shelf life. Know how to store rhubarb and artichokes in the fridge, freezer, and counter. Also, know how to tell if they go bad.
  2. How long does cauliflower last in the fridge? Know how to store cauliflower in the fridge, freezer, and on the counter. And how to tell if they go bad.
  3. How long do peaches last in the fridge? Know how to store peaches and how to tell if peaches and cranberries go bad.
  4. How long do cranberries last in the fridge? Just like other berries, this amazing berry lasts well in the freezer. Know how to tell if cranberries go bad.

How Long Does Black Seed Oil Last Once Opened?

Naturally, the average shelf life of black seed oil is more than two years if it is unopened, provided that you store it properly on the bedroom counter or bathroom shelf and this will make it last longer.

Once opened, black seed oil will last for 6 months to 1 year, suppose you keep it properly in the right conditions necessary. 

For all the locations to store this wonder oil, I prefer the bathroom counter.

This is because it is usually cool and has low light penetration. Your miracle oil can stay there much much longer than other places.

Can I use expired Black Seed Oil?

The answer is no! You can’t use expired Black seed Oil. This is because when it is expired the health benefits have started deteriorating or losing their value. 

So, using it after the expiration date or after showing you warning signs of spoilage will cause you more harm than good.

The smell also is something to be considered, if you want to rub this oil on your skin.

After expiration, it may produce a foul or nasty smell and that wouldn’t be pleasant.

How To Make Black Seed Oil

Without taking much of your time, I am going to give you a step-by-step guide on how to make your homemade black seed oil in just 5 minutes

Here are the guidelines

Set up your materials. The materials you need for this wonder lubricant is your bunsen burner or source of heat, oil presser, spoon, blender, and plate

Steps to produce black seed oil

Blend the black seed to be smooth and dried with a hand blender for about 2 minutes depending on the quantity

  • pour the blended black seed into a pan, put it in your heater or burner for about 2 minutes
  • bring it out, and put it in a presser. Press as much as you can because the more you press the more oil your stuff is ready for use. Wow! So fast, I realized I didn’t even spend more than five minutes

Can You Freeze Black Seed Oil?

No! You can not freeze your black seed oil to keep it cool. It will utter the shelf life and cause deterioration of nutrients.

We all have our likes and dislikes in life.

They are a proverb that says “One man’s food is another man’s poison” and that is what life is all about.

Some people might decide to keep it cool while others prefer to have it warm.

But what I am saying is that no matter how you prefer to use your oil it is safe as far as you are practicing a normal dosage prescription.

The most used and effective dosage is taking it once a day but this does not stop you from getting in touch with your health worker.

I would like to be cheap in this, for the static patients it is advisable to take one milligram of black seed oil two times daily for about 4 months.

The above information is from a reliable source that worked for

Some of the health benefits are that it helps to reduce high cholesterol levels, it helps to low high blood pressure,

It helps to reduce the risk of asthma, to reduce stomach upset and so many others.


How To Tell If Black Seed Oil Is Rancid

There are a few signs to note if back seed oil has gone bad.

For example, when you notice the presence of greyish color in the oil.

The color detects the presents of bacteria that are growing in there.

Sometimes you will notice that the flavor of the oil has changed.

The change in flavor is because the shelf life of that oil is over.

This only happens in two conditions which are when you left the oil open for a long time and when the estimated shelf is past the date.

Black seed oil doesn’t stink but it has a nasty smell when it becomes rancid.


How To Preserve And Make It Last Longer

You can preserve your black seed oil to maintain its best quality by storing it in a dark cool place.

It must be away from sunlight and moisture.

Always put it in a glass bottle for proper storage, So that you can easily detect any spoilage from the transparent glass bottle

Does Black Seed Oil go bad if not Refrigerated After Opening?

It is not a good idea to keep your opened black seed oil in the fridge, the moisture in the fridge will make the black seed oil go bad as soon as possible or even contaminate the oil itself.

Always keep it in the counter/pantry and keep it covered even if it has been used halfway. 




We started by letting you know the answer to some frequently asked questions like, Can black seed oil go bad? And some other questions.

However, black seed oil offers so many health benefits which most people have testified to it.

If you have any questions or you want to add more knowledge to ours.

Regarding the shelf life and our content, you are free to drop it in the comment section.

Also, note that you can use cumin as a replacement for black seed oil. C

Remember, can black seed oil go bad?

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