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What Is Black Seed?
Black seed, also known as Nigella sativa, is a small flowering plant native to Southwest Asia and the Mediterranean region. The seeds of the plant have been used for thousands of years in traditional medicine, particularly in Ayurvedic and Islamic medicine.
Black seed oil, which is derived from the seeds of the plant, has been found to contain a variety of bioactive compounds, including thymoquinone, which has been studied for its potential health benefits. Some studies suggest that black seed oil may have anti-inflammatory, antioxidant, antimicrobial, and anticancer properties, although more research is needed to fully understand its potential benefits.
Black seed has also been used for culinary purposes, particularly in Middle Eastern and Indian cuisine, where it is often used as a spice or flavoring agent. The seeds have a slightly bitter, peppery flavor and are often used in savory dishes like curries, stews, and breads.
It is widely used in traditional systems of medicine for a number of diseases including asthma, fever, bronchitis, cough, chest congestion, dizziness, paralysis, chronic headache, back pain and inflammation. Pharmacological studies on N. sativa have confirmed its antidiabetic, antitussive, anticancer, antioxidant, hepatoprotective, neuro-protective, gastroprotective, immunomodulator, analgesic, antimicrobial, anti-inflammatory, spasmolytic, and bronchodilator activity.
It’s important to note that while black seed has many potential health benefits, more research is needed to fully understand its effects and optimal dosages. As always, it’s a good idea to consult a healthcare professional before incorporating black seed or any supplement into your routine.
What are the Benefits of Black Seed?
A recent review summarized many of the chemical and pharmacological effects listed below. [PMC7501064]
- Neurological Disorders: Black seed (Nigella sativa) helps in neurological disorders by exerting its anti-inflammatory, antioxidant properties, and its potential to improve neurotransmitter function, thereby reducing symptoms and progression of various neurological conditions such as Alzheimer’s and Parkinson’s. [PMC8225153]
- Anti-inflammatory Effects: The thymoquinone found in black seed is a potent anti-inflammatory compound. It can help mitigate inflammation throughout the body, providing relief from various conditions like arthritis and other chronic inflammatory diseases. [PMID: 36150238]
- Black seed (Nigella sativa) contains thymoquinone, a compound with potent anti-inflammatory properties, which can help reduce inflammation and alleviate symptoms of various inflammatory conditions. It increases the protective substance glutathione in red blood cells, reducing harmful inflammation in the brain and spinal cord. [PMC7501064]
- Blood Pressure: Black seed has been shown to have positive effects on blood pressure, cholesterol levels, and overall heart health, potentially reducing the risk of heart disease. [PMC8762160]
- Immune system support: The compounds in black seed have been shown to boost the immune system by increasing the production of immune cells and modulating the immune response. It has antimicrobial and antiviral effects. [PMC10600512]
- Autoimmune Diseases: Due to its anti-inflammatory properties, black seed may be beneficial in reducing joint pain and inflammation, which can be particularly helpful for conditions like rheumatoid arthritis. [PMC8539759]
- Antiparasitic Properties: It has been shown to have antiparasitic effects, which can be beneficial in treating certain parasitic infections. [PMID: 27630048]
- Anti-cancer potential: Some studies have demonstrated that thymoquinone in black seed can induce apoptosis (cell death) in cancer cells and inhibit tumor growth in animal models. [PMC5633668]
- Blood sugar regulation: Black seed may help improve blood sugar control and insulin sensitivity in people with diabetes, potentially reducing the risk of complications. [PMC6950756, PMC8485088]
- Antihistamine Effects: It has natural antihistamine properties, making it potentially useful in managing allergies by reducing symptoms like sneezing and itching.
- Respiratory health: The anti-inflammatory and antimicrobial properties of black seed may help alleviate symptoms and improve respiratory function in conditions such as asthma [PMC6148976] and bronchitis.
- Digestive Health: Black seed can aid in digestion and alleviate symptoms like bloating and gas. It may also help in managing conditions like irritable bowel syndrome (IBS) due to its anti-inflammatory and antispasmodic properties. [PMC3990147] It can also help protect against ulcers. [PMC10136991]
- Liver Protection: Studies have indicated that black seed can shield the liver from damage caused by toxins and oxidative stress. [PMC4387231] A review stated, “effective in the treatment of NAFLD and could improve the liver enzymes, fasting blood sugar, HDL, and inflammation markers, as well as the severity of NAFLD. [PMID: 33728708]
- Weight Management: Research suggests that black seed can aid in weight loss by suppressing appetite, boosting metabolism, and enhancing fat oxidation, thereby playing a role in weight management strategies. [PMC10536791]
- Skin Health: Black seed oil is known for its skin-protective and nourishing properties. It may help in treating skin conditions like eczema, acne, and psoriasis due to its anti-inflammatory and antibacterial qualities. [PMC9744621]
- Mood and Cognitive Benefits: Some studies suggest that black seed could have a positive effect on mood and cognitive function, potentially helping to reduce anxiety and enhance memory. [PMC9081508]
- Kidney Stones: Black seed may have a protective effect on the kidneys, helping to reduce the risk of kidney stones and improve overall kidney function. It may help reduce the size of kidney stones or help the body excrete them naturally. [PMID: 30873671]
- Antifungal Properties: Besides its antibacterial action, black seed also has antifungal properties, making it effective against certain fungal infections. [PMC5735686]
- Improved Fertility: Black seed (Nigella sativa) has shown potential in enhancing fertility, with research indicating its beneficial effects on reproductive health in both men and women.
- Men: Black seed is observed to improve sperm quality by increasing sperm count, motility, and morphology. [PMID: 24680621]It may also boost testosterone levels, which are critical for male fertility. The antioxidant properties of black seed play a significant role in protecting sperm from oxidative stress, a key factor that can adversely affect sperm health and fertility. [PMID: 20724766]
PCOS in Women: Black seed can contribute to hormonal balance, essential for regular ovulation and menstrual cycles. [PMC11242022] Black seed’s ability to improve metabolic parameters also indirectly supports fertility, especially in cases where infertility is linked to metabolic issues such as obesity or insulin resistance. [PMC10063426]
- Men: Black seed is observed to improve sperm quality by increasing sperm count, motility, and morphology. [PMID: 24680621]It may also boost testosterone levels, which are critical for male fertility. The antioxidant properties of black seed play a significant role in protecting sperm from oxidative stress, a key factor that can adversely affect sperm health and fertility. [PMID: 20724766]
- Menstrual Health: Black seed may help in regulating menstrual cycles and reduce menstrual pain when applied topically due to its muscle-relaxing properties. [PMC7480012]
- Bone Health: Black seed may contribute to bone health by promoting bone density and strength, potentially beneficial in conditions like osteoporosis. [PMC9687452]
- Oral Health: Black seed has antibacterial properties that can be beneficial for oral health, potentially helping to prevent or treat dental cavities, gingivitis, and other gum diseases. /PMC7685263
- Enhancing Sleep: Due to its potential sedative properties, black seed may help improve sleep quality by influencing hormones like melatonin, which controls sleep, and cortisol, which affects stress. This makes it a natural option for better sleep and stress relief. [PMC10149792]
- Reducing the Risk of Seizures: Preliminary research indicates that black seed might have anticonvulsant properties, potentially reducing the frequency of seizures in individuals with epilepsy. [PMID: 18049435]
- Covid: A study found that 500 mg black seed oil supplementation was associated with faster recovery of symptoms than usual care alone for patients with mild COVID-19 infection. [PMID: 36825730] Researchers also report, ” molecular docking studies have also shown that TQ could potentially inhibit COVID-19 development through binding to the receptor-binding domain on the spike and envelope proteins of SARS-CoV-2, which may hinder virus entry into the host cell.” [PMC8106451]
- Antioxidant properties: Black seed is rich in antioxidants that help neutralize harmful free radicals, protecting cells from damage and reducing the risk of chronic diseases like cancer, heart disease, and neurodegenerative disorders. [PMC8225153]
Are Black Seed Supplements Safe?
The safety of black seed oil is well-documented when used as directed. It is generally well-tolerated, with few known side effects, primarily when consumed in culinary or supplement recommended amounts.
Medication Interactions with Black Seed
- Diabetes medications: Black seed may lower blood sugar levels, and combining it with diabetes medications could cause low blood sugar (hypoglycemia).
- Blood pressure medications: Black seed has been shown to lower blood pressure, so taking it with medications that also lower blood pressure could result in excessively low blood pressure (hypotension).
- Anticoagulant/antiplatelet drugs: Black seed may slow blood clotting, which could increase the risk of bleeding when combined with anticoagulant or antiplatelet medications (e.g., warfarin, aspirin, clopidogrel).
- Cytochrome P450 substrate medications: Black seed may interfere with the function of cytochrome P450 enzymes, which are responsible for metabolizing many drugs. This interaction could alter the effectiveness or increase the risk of side effects for medications metabolized by these enzymes.
- Immunosuppressive medications: Black seed may stimulate the immune system, which could counteract the effects of immunosuppressive medications used to prevent organ transplant rejection or treat autoimmune conditions (e.g., corticosteroids, cyclosporine).
- Chemotherapy drugs: While some studies suggest that black seed may enhance the effectiveness of certain chemotherapy drugs, it could also potentially interfere with their action or increase the risk of side effects. Consult your healthcare provider before combining black seed with chemotherapy medications.
Supplement Interactions with Black Seed
- Fish oil or omega-3 supplements: Both black seed and fish oil have blood-thinning effects, which could increase the risk of bleeding when taken together.
- Garlic supplements: Garlic supplements may also have blood-thinning effects, and combining them with black seed could increase the risk of bleeding.
- Ginkgo biloba: Ginkgo biloba may slow blood clotting, and when combined with black seed, it could further increase the risk of bleeding.
- Vitamin E: Vitamin E has mild blood-thinning properties, so combining it with black seed could increase the risk of bleeding.
- Coenzyme Q10 (CoQ10): CoQ10 has potential blood pressure-lowering effects, and combining it with black seed could result in excessively low blood pressure.
- Echinacea: Echinacea may stimulate the immune system, and when taken with black seed, it could interfere with the effects of immunosuppressive medications or exacerbate autoimmune conditions.
- St. John’s Wort: St. John’s Wort may affect the cytochrome P450 enzyme system, which could alter the metabolism of black seed or other medications, potentially impacting their effectiveness or increasing the risk of side effects.
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Black Seed Oil
Amount Per 1 Teaspoon Serving
Calories … 35
Calories from Fat … 35
Total Fat … 4g
Saturated Fat … 1g
Organic Black Cumin Seed Oil … 4.6g
(Nigella Sativa)
Suggested Use (Capsules):
Take two (2) capsules 1 to 2 times daily with food or as directed by a healthcare professional.
Serving size: 2 Capsules
Amount Per Serving
Calories … 10
Calories from Fat … 10
Total Fat … 1.5g
Black Cumin Seed Oil … 1300mg
(Nigella Sativa) [Supplying Thymoquinone (TQ)]
Food First!
Although this article discusses supplements in detail, don’t forget that we are absolutely committed to the “Food First” approach to nutrition. When it comes to your health, the totality of your eating habits far surpasses the impact of individual nutrients or any single supplement you consume. Even though this article doesn’t delve into the broader picture of your overall diet, it’s crucial to keep this element at the forefront of our minds. Your food needs to provide all the vitamins, minerals, fiber, and phytochemicals to nourish your body systems down to the cellular level.
Food choices, rather than supplements, are the most critical factors for a healthy gut microbiome. These trillions of tiny inhabitants in your gut affect your brain waves; they orchestrate your immune system. They possess the power to create molecules that can switch genes on or off and are even capable of synthesizing neurotransmitters. Opting for organic foods and steering clear of plastic packaging (including those labeled BPA-free) is a smart move to limit toxin exposure. The sum of all these parts leads to a powerful conclusion: the ultimate key to your health lies in the quality and balance of the food you consume. Supplements are secondary.
What To Eat
To Sum It Up
Black seed supplements come with several health benefits that many find valuable. They can help boost your immune system, lessen inflammation, and support heart health, thanks to the natural properties of Nigella sativa. More studies are needed to delve deeper into how and why these benefits happen, but the current research points to good reasons for adding black seed to your diet if you’re aiming to take care of your health in a natural way.
This Article is Not a Substitute for Medical Advice
Dietary supplements are not designed to diagnose, treat, cure, or prevent any disease. The Supplement Sciences website seeks to provide comprehensive access to the most relevant supplement information along with convenient online ordering. We do not provide medical advice and cannot guarantee that every product suggested is completely without risk. Since each person is unique in their health history and medication use, it is important to discuss supplements with your personal physician. Specifically, pregnant women and individuals being treated for cancer or liver or kidney problems must consult their physician about every nutritional supplement they plan to take. People taking medications for the treatment of HIV or with a history of organ transplant must not take supplements without consulting with their physician.