9 Impressive Health Benefits of Black Seed

August 7, 2019
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Also known as Habatus Saudah, black cumin, nigella or by its scientific name Nigella sativa, black seed belongs to the buttercup family of flowering plants.

It grows up to 12 inches (30 cm) tall and produces a fruit with seeds that are used as a flavourful spice in many cuisines.

In addition to its culinary use, black seed is known for its medicinal properties.

In fact, its use can be traced back several centuries as a natural remedy for everything from bronchitis to diarrhoea.

This article discusses 9 of the most impressive science-backed benefits of black seed, plus how you can add it to your diet.

#1- Packed With Antioxidants

Antioxidants are substances that neutralize harmful free radicals and prevent oxidative damage to cells.

Research shows that antioxidants can have a powerful effect on health and disease.

In fact, some studies indicate that antioxidants may protect against several types of chronic conditions, including cancer, diabetes, heart disease and obesity.

Several compounds found in black seed, such as thymoquinone, carvacrol, t-anethole and 4-terpineol, are responsible for its potent antioxidant properties.

One test-tube study found that black seed essential oil also acted as an antioxidant.

However, further research is needed to determine how the antioxidants found in black seed may impact health in humans.

Summary Some test-tube studies have shown that the high antioxidant content of black seed may help protect against disease.

#2- May Lower Cholesterol

Cholesterol is a fat-like substance found throughout your body. While you need some cholesterol, high amounts can build up in your blood and increase your risk of heart disease.

Black Seed has been shown to be especially effective at lowering cholesterol.

One review of 17 studies found that supplementing with black seed was associated with significant decreases in both total and “bad” LDL cholesterol, as well as blood triglycerides.

Interestingly, it also found that black seed oil had a greater effect than black seed powder. However, only black seed powder increased levels of “good” HDL cholesterol.

Another study in 57 people with diabetes showed that supplementing with black seed for one year decreased total and LDL cholesterol, all while increasing HDL cholesterol.

Lastly, a study in 94 people with diabetes had similar findings, reporting that taking 2 grams of black seed daily for 12 weeks reduced both total and LDL cholesterol.

Summary Several studies have found that supplementing with black seed could help reduce both total and “bad” LDL cholesterol.

#3- Could Have Cancer-Fighting Properties

Black Seed is high in antioxidants, which help neutralize harmful free radicals that may contribute to the development of diseases like cancer.

Test-tube studies have found some impressive results regarding the potential anti-cancer effects of black seed and thymoquinone, its active compound.

For instance, one test-tube study found that thymoquinone induced cell death in blood cancer cells.

Another test-tube study showed that black seed extract helped inactivate breast cancer cells.

Other test-tube studies suggest that black seed and its components may also be effective against several other types of cancer, including pancreatic, lung, cervical, prostate, skin and colon cancers.

However, there is no evidence on the anti-cancer effects of black seed in humans. Studies are needed to examine whether black seed has any cancer-fighting benefits when used as a spice or taken as a supplement.

Summary Test-tube studies have shown that black seed and its components may exhibit anti-cancer effects.

#4- Can Help Kill off Bacteria

Disease-causing bacteria are responsible for a long list of dangerous infections, ranging from ear infections to pneumonia.

Some test-tube studies have found that black seed may have antibacterial properties and be effective at fighting off certain strains of bacteria.

One study applied black seed topically to infants with a staphylococcal skin infection and found that it was as effective as a standard antibiotic used to treat bacterial infections.

Another study isolated methicillin-resistant Staphylococcus aureus (MRSA), a strain of bacteria that is difficult to treat and resistant to antibiotics, from the wounds of diabetic patients.

Black Seed killed off the bacteria in a dose-dependent manner in over half of the samples.

Several other test-tube studies have shown that black seed can help inhibit the growth of MRSA, as well as many other strains of bacteria.

Yet, human studies are limited, and more research is needed to look at how black seed may affect different strains of bacteria in the body.

Summary Both test-tube and human studies have found that black seed may be effective against several types of bacterial infections.

#5- May Alleviate Inflammation

In most cases, inflammation is a normal immune response that helps protect the body against injury and infection.

On the other hand, chronic inflammation is believed to contribute to a variety of diseases, such as cancer, diabetes and heart disease.

Some studies have found that black seed may have powerful anti-inflammatory effects in the body.

In one study in 42 people with rheumatoid arthritis, taking 1,000 mg of black seed oil daily for eight weeks reduced markers of inflammation and oxidative stress.

In another study, inflammation was induced in the brain and spinal cord of rats. Compared to a placebo, black seed was effective at protecting against and suppressing inflammation.

Similarly, a test-tube study showed that thymoquinone, the active compound in black seed, helped reduce inflammation in pancreatic cancer cells.

Despite these promising results, most human studies are limited to people with specific conditions. More research is needed to understand how black seed may affect inflammation among the general population.

Summary Some studies have found that black seed and its active components could help reduce markers of inflammation.

#6- Could Help Protect the Liver

The liver is an incredibly important organ. It removes toxins, metabolizes drugs, processes nutrients and produces proteins and chemicals that are crucial to health.

Several promising animal studies have found that black seed may help protect the liver against injury and damage.

In one study, rats were injected with a toxic chemical, either with or without black seed. Black Seed reduced the toxicity of the chemical and protected against liver and kidney damage.

Another animal study had similar findings, showing that black seed protected rats against induced liver damage, compared to a control group.

One review attributed the protective effects of black seed to its antioxidant content and ability to reduce inflammation and oxidative stress.

However, more studies are needed to measure how black seed may influence liver health in humans.

Summary Animal studies have found that black seed could protect the liver from injury and damage.

#7- Can Aid in Blood Sugar Regulation

High blood sugar can cause many negative symptoms, including increased thirst, unintentional weight loss, fatigue and difficulty concentrating.

Left unchecked in the long term, high blood sugar can lead to even more serious consequences, such as nerve damage, vision changes and slow wound healing.

Some evidence shows that black seed could help keep blood sugar steady and thus prevent these dangerous adverse side effects.

One review of seven studies showed that supplementing with black seed improved levels of fasting and average blood sugar.

Similarly, another study in 94 people found that taking black seed daily for three months significantly reduced fasting blood sugar, average blood sugar and insulin resistance.

Summary Studies show that supplementing with black seed may help decrease blood sugar levels.

#8- May Prevent Stomach Ulcers

Stomach ulcers are painful sores that form when stomach acids eat away at the layer of protective mucus that lines the stomach.

Some research shows that black seed could help preserve the lining of the stomach and prevent the formation of ulcers.

In one animal study, 20 rats with stomach ulcers were treated using black seed. Not only did it result in healing effects in about 83% of rats, but it was also nearly as effective as a common medication used to treat stomach ulcers.

Another animal study showed that black seed and its active components prevented ulcer development and protected the lining of the stomach against the effects of alcohol.

Keep in mind that current research is limited to animal studies. Further research is needed to determine how black seed may affect stomach ulcer development in humans.

Summary Animal studies have found that black seed may help protect the stomach lining against the formation of stomach ulcers.

#9- Easy to Add to Your Routine

There are a variety of ways to add black seed to your diet.

With a bitter taste that is described as a mix between oregano and onions, it is often found in Middle Eastern and South Asian cuisines.

It’s usually lightly toasted and then ground or used whole to add flavour to bread or curry dishes.

Some people also eat the seeds raw or mix them with honey or water. They can also be added to oatmeal, smoothies or yogurt.

What’s more, the oil is sometimes diluted and applied topically as a natural remedy that’s said to increase hair growth, reduce inflammation and treat certain skin conditions.

Lastly, supplements are available in capsule or soft gel form for a quick and concentrated dose of black seed.

Summary Black seed can be eaten raw, added to dishes or mixed with honey or water. The oil can also be diluted and applied topically to the hair and skin or taken in supplement form.

Black Seed May Not Be for Everyone

While black seed has been associated with many health benefits and is generally safe when used as a spice or seasoning, taking a black seed supplement or using black seed oil may have risks.

For example, there have been reports of contact dermatitis after applying black seed to the skin. If you plan on using it topically, be sure to do a patch test by applying a small amount first to make sure it does not cause an adverse reaction.

Furthermore, some test-tube studies have found that black seed and its components may influence blood clotting. If you take medication for blood clotting, be sure to talk with your doctor before taking black seed supplements.

Additionally, while some animal studies have found that black seed can be safely consumed during pregnancy, one animal study found that the oil could slow down uterine contractions when used in large amounts.

If you are pregnant, be sure to use it in moderation and consult your doctor if you have any concerns.

Summary Applying black seed may cause contact dermatitis in some people. Test-tube and animal studies have shown that it may also influence blood clotting and possibly slow down uterine contractions during pregnancy.

The Bottom Line

The seeds of the black seed plant are known for their diverse culinary uses and medicinal properties.

Traditionally used to treat a variety of ailments, black seed has been associated with a wide range of health benefits.

However, many of them have only been examined in test-tube or animal studies.

Although more research is needed, adding black seed to your diet or using it as a supplement could have a beneficial effect on several aspects of your health.

 

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