Nigella sativa (N. Nigella sativa (N. N. is commonly referred to simply as black seed. Black cumin, caraway, and nigella are all common names for Sativa seeds (2Trusted Source 3, 3). Black seed oil is made from N. sativa. It can also be used topically to improve skin and hair ( 1Trusted source)

Black seed oil is an herbal component derived from the Nigella Sativa plant, native to Eastern Europe and Western Asia ( 1Trusted Source).

Black seed oil, which is well-known for its medicinal properties, can be used to treat various conditions, including ( 2Trusted Source).

The high content of antioxidants ( 2Trusted Source) makes it an excellent choice for beauty and health.

Black seed oil benefits

Antioxidants high

Black seed oil is rich in antioxidants and plant compounds that protect cells from damage caused by unstable molecules called “free radicals” (7Trusted Source, 8Trusted Source, 9Trusted Source, 10Trusted Source).

Research has shown that antioxidants are vital for your health. They can lower inflammation and protect you against diseases like heart disease and Alzheimer’s disease ( 11Trusted Source).

Black seed oil is particularly rich in thymoquinone, which has powerful antioxidant and anti-inflammatory properties. Studies have shown that this compound may help treat many types of cancer, including 7Trusted Source12TrustedSource, and 13TrustedSource.

Asthma treatment may be possible.

Asthma can be described as a chronic condition where the linings of your airways become swollen and the muscles around them contract, making it difficult to breathe ( 15Trusted Source).

Black seed oil, specific thymoquinone, is effective in treating asthma ( 4Trusted Source16Trusted Source17Trusted Source).

A study of 80 adults with asthma showed that 500mg of black seed oil capsules twice daily for four weeks significantly improved their asthma control ( 16Trusted Source).

Although promising, more research is needed to evaluate the safety and efficacy of black seed oil as a treatment for asthma.

It may aid weight loss efforts.

Although the mechanism behind this effect is not fully understood, studies have shown that black seed oil may reduce body mass (BMI) in people with obesity, metabolic disorder, or type 2 diabetes ( 18Trusted Source 19 and 20TrustedSource).

A study of 90 obese women between the ages of 25 and 50 was conducted over eight weeks. They were offered a low-calorie diet, 1 gram of black oil per meal, or a placebo ( 21Trusted Source).

The study concluded that the participants who took black seed oil lost significantly more weight than those who used the placebo. The oil group saw significant improvements in LDL (bad) and triglyceride levels ( 21Trusted Source).

These promising results are not to be taken lightly. More research is required on the safety and efficacy long-term of using black seed oil for weight loss.

It may lower blood sugar levels.

Consistently high blood sugar levels can increase the chance of developing complications such as kidney disease and eye disease.

Numerous studies have shown that 2g per day of crushed whole black seeds can significantly lower fast blood sugar levels in type 2 diabetics ( 23Trusted Source24-Trusted Source25Trusted Source).

Although most studies are done with black seed powder in capsules ( 25Trusted Source), it has been proven that black seed oil can help lower blood sugar levels ( 25Trusted Source).

A study of 99 people with type 2 diabetes showed that black seed oil reduced HbA1c levels by 1/3 teaspoon (1.5mL) and 3/5 teaspoon (3mL) daily for 20 days, respectively ( 26).

It may lower cholesterol and blood pressure.

It has been shown to reduce blood pressure and cholesterol.

High blood pressure and high levels of total and LDL cholesterol (bad) are risk factors for heart disease ( 27Trusted Source).

One study in 90 obese women and another in 72 people with type 2 diabetes found that taking 2-3g of black seed oil capsules daily for 8-12 weeks significantly decreased LDL (bad) cholesterol and total cholesterol ( 21Trusted source28).

A second study of 90 high-cholesterol patients found that two teaspoons (10g) of black seeds oil reduced LDL levels by reducing cholesterol levels in people who ate breakfast every day for six weeks ( 29).

The oil could also lower blood pressure.

A study of 70 healthy adults found that black seed oil, 1/2 teaspoon (30 mL), significantly decreased blood pressure over a placebo for eight weeks ( 30Trusted Source).

Although the potential benefits of black seed oil for lowering blood pressure and cholesterol are promising, there is not much research.

It may protect brain health.

Neuroinflammation refers to the inflammation of brain tissue. It is thought to play a significant role in developing diseases such as Alzheimer’s or Parkinson’s ( 13Trusted Source31Trusted Source).

Early animal and test-tube research have shown that thymoquinone found in black seed oil may decrease neuroinflammation. It may help prevent brain diseases such as Alzheimer’s and Parkinson’s ( 13Trusted Source32Trusted Source33TrustedSource34TrustedSource.

However, research on black seed oil’s effectiveness in humans in the brain has not been done.

A study of 40 older adults showed significant improvements in memory, attention, and cognition following 500mg of N. Take two Sativa capsules twice daily for nine weeks (35Trusted Source).

More research is still needed to confirm the protective effects of black seed oil on brain health.

It may be beneficial for hair and skin.

Black seed oil can be used for medical purposes and topically to treat various skin conditions.

Black seed oil is effective in treating skin conditions such as ( 36Trusted Source37 and 38Trusted Source).

  • Acne
  • eczema
  • Dry skin
  • psoriasis

Although the oil is claimed to moisturize hair and reduce dandruff in some cases, no clinical studies support this claim.

Promotes wound Healing

Thymoquinone is a compound found in black seed oil that stimulates tissue growth and promotes wound Healing ( 8Trusted Source).

Thymoquinone’s anti-inflammatory, antibacterial and antibacterial properties have proven effective in treating burns, excisions, and diabetic wounds ( 8Trusted Source).

One animal study showed that black seed extract significantly improved wound Healing in diabetic rats ( 9Trusted Source).

A second animal study revealed that black seed oil, either alone or in combination with honey, helped rats heal faster ( 10Trusted Source).

There are other potential benefits.

Other health benefits of black seed oil include:

  • Anticancer effects. Test tube studies. Thymoquinone effectively controls the spread and growth of many cancer cells ( 39Trusted Source41Trusted Source).
  • Reduce the symptoms of rheumatoid joint inflammation.
  • Male infertility. A limited amount of research has shown that black seed oil may increase the quality of semen in men with infertility (44Trusted Source, 45Trusted Source).
  • Antifungal. Black seed oil has also been shown to have antifungal properties. It may be particularly effective against Candida albicans which can cause candidiasis ( 46Trusted Source47Trusted Source).

Early research has shown promise for using black seed oil in specific applications. However, further studies on humans are required to confirm these results and determine the best dosage.

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