Historically, black seed has been used for headache, toothache, nasal congestion, asthma, arthritis, and intestinal worms. It has also been used for "pink eye" (conjunctivitis), pockets of infection (abscesses), and parasites.
Today, black seed is most commonly used for asthma, diabetes, hypertension, weight loss, and other conditions, but there is no good scientific evidence to support most of these uses.
Coronavirus disease 2019 (COVID-19): There is no good evidence to support using black seed for COVID-19. Follow healthy lifestyle choices and proven prevention methods instead.
How does it work ?
Uses & Effectiveness ?
Possibly Effective for
- Acne. Research shows that applying a gel containing black seed extract to the skin might help to improve acne.
- Hay fever. Research shows that taking black seed oil by mouth daily might improve allergy symptoms in people with hay fever.
- Asthma. Research shows that taking black seed by mouth along with asthma medicines can improve coughing, wheezing, and lung function in some people with asthma. But it seems to work only in people with very low lung function before treatment. And it does not seem to work as well as the drugs theophylline or salbutamol.
- A lung disease that makes it harder to breathe (chronic obstructive pulmonary disease or COPD). Research shows that taking a specific black seed oil helps to improve lung function in people with COPD who are also using prescribed inhalers.
- Diabetes. Research shows that taking black seed can improve blood sugar levels in people with diabetes. But it doesn't seem to work as well as the diabetes drug metformin. Black seed might also improve levels of cholesterol in people with diabetes.
- A digestive tract infection that can lead to ulcers (Helicobacter pylori or H. pylori). Some research shows that taking black seed powder along with other medications might help to get rid of this infection. But not all doses seem to work.
- High blood pressure. Research shows that taking black seed by mouth might reduce blood pressure by a small amount.
- Conditions in a man that prevent him from getting a woman pregnant within a year of trying to conceive (male infertility). Research shows that taking black seed oil increases the number of sperm and how quickly they move in men with infertility.
- Breast pain (mastalgia). Research shows that applying a gel containing black seed oil to the breasts during the menstrual cycle reduces pain in women with breast pain.
Insufficient Evidence for
- Heart damage caused by certain cancer drugs (anthracycline cardiotoxicity). Early research shows that taking black seed oil might prevent heart damage in children being treated with a drug called doxorubicin.
- Eczema (atopic dermatitis). Early research suggests that taking black seed oil by mouth might improve symptoms in people with itchy and inflamed skin. But applying black seed oil ointment to the skin does not seem to help.
- A disease that causes underactive thyroid (autoimmune thyroiditis). Taking black seed might improve some but not all measures of thyroid function in people with a disease called Hashimoto's thyroiditis.
- Damage to the immune system caused by cancer drug treatment. Early research shows that taking black seed as part of the diet while undergoing cancer drug treatment might prevent fever episodes due to low white blood cell counts (neutropenia) in children.
- Swelling (inflammation) of a vein caused by cancer drug treatment. Early research shows that applying black seed oil around the area where cancer drugs are injected into a vein might prevent swelling of that vein.
- Long-term kidney disease (chronic kidney disease or CKD). Some people with CKD follow a diet low in protein and add supplements to prevent nutrient deficiencies. Early research shows that taking black seed oil might help to improve kidney function in these people.
- Memory and thinking skills (cognitive function). Early research shows that black seed helps with some but not all measures of memory and attention in boys and men. It's unknown if black seed improves memory and thinking skills in girls and women.
- Menstrual cramps (dysmenorrhea). Applying black seed oil to the head each day, starting a few days before menstruation, might reduce menstrual pain by a small amount.
- Indigestion (dyspepsia). Taking a product containing black seed oil, honey, and water seems to reduce symptoms of indigestion. It's unclear if this improvement is due to black seed or other ingredients.
- Seizure disorder (epilepsy). Early research shows that taking black seed extract by mouth reduces the number of seizures in children with epilepsy. But taking black seed oil does not seem to work.
- A mild form of gum disease (gingivitis). Early research shows that applying black seed extract around the teeth and gums might help to reduce plaque, swelling, and redness in people with gingivitis. But it doesn't work as well as a good cleaning by a dentist.
- Hepatitis C. Early research shows that taking black seed oil daily for 3 months reduces viral load in people with hepatitis C. It also seems to reduce lower limb swelling. But it doesn't seem to improve liver function.
- High cholesterol. Some early research shows that taking crushed black seed increases "good" high-density lipoprotein (HDL) cholesterol and reduces total cholesterol, "bad" low-density lipoprotein (LDL) cholesterol, and blood fats called triglycerides in people with borderline high cholesterol. Other research shows that taking both crushed black seed and garlic oil in addition to other products that lower cholesterol, such as simvastatin, can lead to larger improvements in blood cholesterol and triglyceride levels than simvastatin alone. However, not all research agrees.
- A grouping of symptoms that increase the risk of diabetes, heart disease, and stroke (metabolic syndrome). Most early research suggests that taking black seed oil might reduce total cholesterol, "bad" low-density lipoprotein (LDL) cholesterol, and blood sugar levels in people with metabolic syndrome. But not all research agrees.
- Toxicity caused by the drug methotrexate. Early research shows that taking black seed might reduce liver damage caused by a certain drug used to treat cancer in children with a type of leukemia.
- Build up of fat in the liver in people who drink little or no alcohol (nonalcoholic fatty liver disease or NAFLD). Early research shows that taking black seed daily for 3 months can improve some measures of liver disease in patients with NAFLD.
- Obesity. Most research shows that taking black seed oil or powder might improve weight loss by a small amount in people who are overweight. But not all research agrees.
- Withdrawal from heroin, morphine, and other opioid drugs. Early research shows that taking black seed extract by mouth three times daily for 12 days might reduce symptoms of opioid withdrawal.
- Osteoarthritis. Early research shows that applying black seed oil to the knee for 3-4 weeks can help relieve knee pain caused by osteoarthritis.
- Skin damage caused by radiation therapy (radiation dermatitis). Applying a gel containing black seed extract to the skin might help to delay this side effect in people being treated for breast cancer.
- Rheumatoid arthritis (RA). Early research shows that taking black seed oil improves pain and stiffness in people with RA who are already taking methotrexate.
- Dry nose in the elderly. Early research shows that using a nasal spray containing black seed oil can reduce dryness, blockage, and crusting of the nostrils in elderly patients with nasal irritation.
- A type of inflammatory bowel disease (ulcerative colitis). Early research shows that taking black seed powder daily for 6 weeks does not improve symptoms of ulcerative colitis.
- A skin disorder that causes white patches to develop on the skin (vitiligo). Early research shows that applying a cream containing black seed oil to the skin for 6 months can improve skin color in some people with vitiligo.
- Birth control.
- Boosting the immune system.
- Cancer prevention.
- Digestive problems including intestinal gas and diarrhea.
- Flu (influenza).
- Infection of the throat and tonsils (tonsillopharyngitis).
- Menstrual disorders.
- Symptoms of menopause.
- Vaginal yeast infections.
- Other conditions.
When applied to the skin: Black seed oil or gel is POSSIBLY SAFE when applied to the skin, short-term. It can cause allergic rashes in some people.
Special Precautions and Warnings
There isn't enough reliable information to know if black seed is safe to use when breast-feeding. Stay on the safe side and avoid use.
Children: Black seed oil is POSSIBLY SAFE for children when taken by mouth short-term and in recommended amounts.
Bleeding disorders: Black seed might slow blood clotting and increase the risk of bleeding. In theory, black seed might make bleeding disorders worse.
Surgery: Black seed might slow blood clotting, reduce blood sugar, and increase sleepiness in some people. In theory, black seed might increase the risk for bleeding and interfere with blood sugar control and anesthesia during and after surgical procedures. Black seed might also cause your body to have very high levels of a chemical called serotonin. This can cause severe side effects. Stop using black seed at least two weeks before a scheduled surgery.
We currently have no information for BLACK SEED overview.
- For hay fever: Black seed oil 0.5 mL or 40-80 mg/kg daily for 4-8 weeks has been used.
- For asthma: 2 grams of ground black seed has been used daily for 12 weeks. Also, 500 mg of black seed oil has been taken twice daily for 4 weeks. In addition, 15 mL/kg of black seed extract has been used daily for 3 months. A single dose of 50-100 mg/kg has also been used.
- For a lung disease that makes it harder to breathe (chronic obstructive pulmonary disease or COPD): Black seed oil 2 grams daily for 3 months has been used.
- For diabetes: 1 gram of black seed powder has been used twice daily for up to 12 months. 1000-1350 mg of black seed oil taken in divided doses daily has also been used for 8-12 weeks.
- For a digestive tract infection that can lead to ulcers (Helicobacter pylori or H. pylori): Black seed powder 2 grams daily along with standard medications has been used.
- For high blood pressure: 0.5-2 grams of black seed powder has been taken daily for up to 12 weeks. Also, 100-200 mg or 2.5 mL of black seed oil has been used twice daily for 8 weeks.
- For conditions in a man that prevent him from getting a woman pregnant within a year of trying to conceive (male infertility): 2.5 mL of black seed oil has been used twice daily for 2 months.
- For acne: A gel containing black seed extract 0.1% twice daily for 60 days has been used.
- For breast pain (mastalgia): A gel containing 30% black seed oil has been applied to breasts every day for two menstrual cycles.
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Dirjomuljono, M., Kristyono, I., Tjandrawinata, R. R., and Nofiarny, D. Symptomatic treatment of acute tonsillo-pharyngitis patients with a combination of Nigella sativa and Phyllanthus niruri extract. Int J Clin Pharmacol.Ther 2008;46(6):295-306. View abstract.
Edris, A. E. Anti-cancer properties of Nigella spp. essential oils and their major constituents, thymoquinone and beta-elemene. Curr.Clin Pharmacol. 2009;4(1):43-46. View abstract.
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El-Gharieb MA and et al. Potential hepatoprotective effects of vitamin E and Nigella sativa oil on hepatotoxicity induced by chronic exposure to malathion in human and male albino rats. Toxicological & Environmental Chemistry. 2010;92(2):395-412.
Enomoto, S., Asano, R., Iwahori, Y., Narui, T., Okada, Y., Singab, A. N., and Okuyama, T. Hematological studies on black cumin oil from the seeds of Nigella sativa L. Biol.Pharm.Bull 2001;24(3):307-310. View abstract.
Fararh, K. M., Atoji, Y., Shimizu, Y., Shiina, T., Nikami, H., and Takewaki, T. Mechanisms of the hypoglycaemic and immunopotentiating effects of Nigella sativa L. oil in streptozotocin-induced diabetic hamsters. Res Vet.Sci 2004;77(2):123-129. View abstract.
Fararh, K. M., Ibrahim, A. K., and Elsonosy, Y. A. Thymoquinone enhances the activities of enzymes related to energy metabolism in peripheral leukocytes of diabetic rats. Res Vet.Sci 2010;88(3):400-404. View abstract.
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Fouda, A. M., Daba, M. H., Dahab, G. M., and Sharaf El-Din, O. A. Thymoquinone ameliorates renal oxidative damage and proliferative response induced by mercuric chloride in rats. Basic Clin Pharmacol.Toxicol. 2008;103(2):109-118. View abstract.
Gali-Muhtasib, H., Diab-Assaf, M., Boltze, C., Al Hmaira, J., Hartig, R., Roessner, A., and Schneider-Stock, R. Thymoquinone extracted from black seed triggers apoptotic cell death in human colorectal cancer cells via a p53-dependent mechanism. Int J Oncol. 2004;25(4):857-866. View abstract.
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Kanter, M., Meral, I., Yener, Z., Ozbek, H., and Demir, H. Partial regeneration/proliferation of the beta-cells in the islets of Langerhans by Nigella sativa L. in streptozotocin-induced diabetic rats. Tohoku J Exp.Med 2003;201(4):213-219. View abstract.
Keyhanmanesh, R., Boskabady, M. H., Eslamizadeh, M. J., Khamneh, S., and Ebrahimi, M. A. The effect of thymoquinone, the main constituent of Nigella sativa on tracheal responsiveness and white blood cell count in lung lavage of sensitized guinea pigs. Planta Med 2010;76(3):218-222. View abstract.
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Kumara, S. S. and Huat, B. T. Extraction, isolation and characterisation of antitumor principle, alpha-hederin, from the seeds of Nigella sativa. Planta Med 2001;67(1):29-32. View abstract.
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Le, P. M., Benhaddou-Andaloussi, A., Elimadi, A., Settaf, A., Cherrah, Y., and Haddad, P. S. The petroleum ether extract of Nigella sativa exerts lipid-lowering and insulin-sensitizing actions in the rat. J Ethnopharmacol. 2004;94(2-3):251-259. View abstract.
Mansour, M. and Tornhamre, S. Inhibition of 5-lipoxygenase and leukotriene C4 synthase in human blood cells by thymoquinone. J Enzyme Inhib.Med Chem. 2004;19(5):431-436. View abstract.
Marsik, P., Kokoska, L., Landa, P., Nepovim, A., Soudek, P., and Vanek, T. In vitro inhibitory effects of thymol and quinones of Nigella sativa seeds on cyclooxygenase-1- and -2-catalyzed prostaglandin E2 biosyntheses. Planta Med 2005;71(8):739-742. View abstract.
Massadeh, A. M., Al Safi, S. A., Momani, I. F., Al Mahmoud, M., and Alkofahi, A. S. Analysis of cadmium and lead in mice organs: effect of Nigella sativa L. (Black Cumin) on the distribution and immunosuppressive effect of cadmium-lead mixture in mice. Biol.Trace Elem.Res 2007;115(2):157-167. View abstract.
Meddah, B., Ducroc, R., El Abbes, Faouzi M., Eto, B., Mahraoui, L., Benhaddou-Andaloussi, A., Martineau, L. C., Cherrah, Y., and Haddad, P. S. Nigella sativa inhibits intestinal glucose absorption and improves glucose tolerance in rats. J Ethnopharmacol. 1-30-2009;121(3):419-424. View abstract.
Meral, I., Yener, Z., Kahraman, T., and Mert, N. Effect of Nigella sativa on glucose concentration, lipid peroxidation, anti-oxidant defence system and liver damage in experimentally-induced diabetic rabbits. J Vet.Med A Physiol Pathol.Clin Med 2001;48(10):593-599. View abstract.
Nagi, M. N. and Almakki, H. A. Thymoquinone supplementation induces quinone reductase and glutathione transferase in mice liver: possible role in protection against chemical carcinogenesis and toxicity. Phytother.Res 2009;23(9):1295-1298. View abstract.
Najmi, A., Nasiruddin, M., Khan, R. A., and Haque, S. F. Effect of Nigella sativa oil on various clinical and biochemical parameters of insulin resistance syndrome. Int J Diabetes Dev.Ctries. 2008;28(1):11-14. View abstract.
Parvardeh S and et al. Effects of thymoquinone, the major constituent of Nigella sativa seeds, on the contractile responses of rat vas deferens. Pharmaceutical Biology (Netherlands). 2003;41:616-621.
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Qidwai, W., Hamza, H. B., Qureshi, R., and Gilani, A. Effectiveness, safety, and tolerability of powdered Nigella sativa (kalonji) seed in capsules on serum lipid levels, blood sugar, blood pressure, and body weight in adults: results of a randomized, double-blind controlled trial. J Altern.Complement Med 2009;15(6):639-644. View abstract.
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Sangi, S., Ahmed, S. P., Channa, M. A., Ashfaq, M., and Mastoi, S. M. A new and novel treatment of opioid dependence: Nigella sativa 500 mg. J Ayub.Med Coll.Abbottabad. 2008;20(2):118-124. View abstract.
Shoieb, A. M., Elgayyar, M., Dudrick, P. S., Bell, J. L., and Tithof, P. K. In vitro inhibition of growth and induction of apoptosis in cancer cell lines by thymoquinone. Int J Oncol. 2003;22(1):107-113. View abstract.
Singh, B. B., Khorsan, R., Vinjamury, S. P., Der-Martirosian, C., Kizhakkeveettil, A., and Anderson, T. M. Herbal treatments of asthma: a systematic review. J Asthma 2007;44(9):685-698. View abstract.
Steinmann, A., Schatzle, M., Agathos, M., and Breit, R. Allergic contact dermatitis from black cumin (Nigella sativa) oil after topical use. Contact Dermatitis 1997;36(5):268-269. View abstract.
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Al-Azzawi MA, AboZaid MMN, Ibrahem RAL, Sakr MA. Therapeutic effects of black seed oil supplementation on chronic obstructive pulmonary disease patients: A randomized controlled double blind clinical trial. Heliyon. 2020;6(8):e04711. View abstract.
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Barakat EM, El Wakeel LM, Hagag RS. Effects of nigella sativa on outcome of hepatitis C in Egypt. World J Gastroenterol. 2013 Apr 28;19(16):2529-36. View abstract.
Behnamfar N, Parsa Yekta Z, Mojab F, Kazem Naeini SM. The effect of nigella sativa oil on the prevention of phlebitis induced by chemotherapy: a clinical trial. Biomedicine (Taipei) 2019;9(3):20. Erratum in: Biomedicine (Taipei) 2019;9(4):30. View abstract.
Bin Sayeed MS, Asaduzzaman M, Morshed H, Hossain MM, Kadir MF, Rahman MR. The effect of Nigella sativa Linn. seed on memory, attention and cognition in healthy human volunteers. J Ethnopharmacol. 2013;148(3):780-6. View abstract.
Bin Sayeed MS, Shams T, Fahim Hossain S, et al. Nigella sativa L. seeds modulate mood, anxiety and cognition in healthy adolescent males. J Ethnopharmacol. 2014;152(1):156-62. View abstract.
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Busari AA, Adejare AA, Shodipe AF, Oduniyi OA, Ismail-Badmus KB, Oreagba IA. Protective but Non-Synergistic Effects of Nigella Sativa and Vitamin E against Cisplatin-Induced Renal Toxicity and Oxidative Stress in Wistar Rats. Drug Res (Stuttg). 2018 Dec;68(12):696-703. View abstract.
Chakravarty N. Inhibition of histamine release from mast cells by nigellone. Ann Allergy 1993;70:237-42. View abstract.
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Dajani EZ, Shahwan TG, Dajani NE. Overview of the preclinical pharmacological properties of Nigella sativa (black seeds): a complementary drug with historical and clinical significance. J Physiol Pharmacol. 2016;67(6):801-817. View abstract.
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Dehkordi FR, Kamkhah AF. Antihypertensive effect of Nigella sativa seed extract in patients with mild hypertension. Fundam Clin Pharmacol 2008;22:447-52. View abstract.
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Farhangi MA, Dehghan P, Tajmiri S, Abbasi MM. The effects of Nigella sativa on thyroid function, serum Vascular Endothelial Growth Factor (VEGF) - 1, Nesfatin-1 and anthropometric features in patients with Hashimoto's thyroiditis: a randomized controlled trial. BMC Complement Altern Med 2016;16:471. View abstract.
Farzaneh E, Nia FR, Mehrtash M, Mirmoeini FS, Jalilvand M. The effects of 8-week nigella sativa supplementation and aerobic training on lipid profile and VO2 max in sedentary overweight females. Int J Prev Med. 2014 Feb;5(2):210-16. View abstract.
Gheita TA, Kenawy SA. Effectiveness of Nigella sativa oil in the management of rheumatoid arthritis patients: a placebo controlled study. Phytother Res 2012;26:1246-8. View abstract.
Hagag AA, AbdElaal AM, Elfaragy MS, Hassan SM, Elzamarany EA. Therapeutic value of black seed oil in methotrexate hepatotoxicity in Egyptian children with acute lymphoblastic leukemia. Infect Disord Drug Targets. 2015;15(1):64-71. View abstract.
Hagag AA, Badraia IM, El-Shehaby WA, Mabrouk MM. Protective role of black seed oil in doxorubicin-induced cardiac toxicity in children with acute lymphoblastic leukemia. J Oncol Pharm Pract. 2020;26(6):1397-1406. View abstract.
Hanafy MS, Hatem ME. Studies on the antimicrobial activity of Black seed seed (black cumin). J Ethnopharmacol 1991;34:275-8. View abstract.
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Huseini HF, Kianbakht S, Mirshamsi MH, Zarch AB. Effectiveness of topical Nigella sativa seed oil in the treatment of cyclic mastalgia: A randomized, triple-blind, active, and placebo-controlled clinical trial. Planta Med 2016;82:285-8. View abstract.
Ibrahim RM, Hamdan NS, Mahmud R, et al. ff LA, Ismail M. A randomised controlled trial on hypolipidemic effects of Nigella Sativa seeds powder in menopausal women. J Transl Med 2014;12:82. View abstract.
Isik H, Cevikbas A, Gürer US, et al. Potential adjuvant effects of Nigella sativa seeds to improve specific immunotherapy in allergic rhinitis patients. Med Princ Pract. 2010;19(3):206-11. View abstract.
Kaatabi H, Bamosa AO, Badar A, et al. Nigella sativa improves glycemic control and ameliorates oxidative stress in patients with type 2 diabetes mellitus: placebo controlled participant blinded clinical trial. PLoS One 2015;10:e0113486. View abstract.
Keshri G, Singh MM, Lakshmi V, Kamboj VP. Post-coital contraceptive efficacy of the seeds of Black seed in rats. Indian J Physiol Pharmacol 1995;39:59-62. View abstract.
Khonche A, Huseini HF, Gholamian M, Mohtashami R, Nabati F, Kianbakht S. Standardized Nigella sativa seed oil ameliorates hepatic steatosis, aminotransferase and lipid levels in non-alcoholic fatty liver disease: A randomized, double-blind and placebo-controlled clinical trial. J Ethnopharmacol. 2019 Apr 24;234:106-111. View abstract.
Kolahdooz M, Nasri S, Modarres SZ, et al. Effects of Nigella sativa L. seed oil on abnormal semen quality in infertile men: a randomized, double-blind, placebo-controlled clinical trial. Phytomedicine 2014;21:901-5. View abstract.
Kooshki A, Forouzan R, Rakhshani MH, Mohammadi M. Effect of topical application of nigella sativa oil and oral acetaminophen on pain in elderly with knee osteoarthritis: a crossover clinical trial. Electron Physician. 2016 Nov 25;8(11):3193-97. View abstract.
Kooshki A, Tofighiyan T, Rastgoo N, Rakhshani MH, Miri M. Effect of Nigella sativa oil supplement on risk factors for cardiovascular diseases in patients with type 2 diabetes mellitus. Phytother Res. 2020. View abstract.
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Mohtashami R, Huseini HF, Heydari M, et al. Efficacy and safety of honey based formulation of Nigella sativa seed oil in functional dyspepsia: A double blind randomized controlled clinical trial. J Ethnopharmacol 2015;175:147-52. View abstract.
Molaie M, Darvishi B, Jafari Azar Z, Shirazi M, Amin G, Afshar S. Effects of a combination of Nigella sativa and Vitex agnus-castus with citalopram on healthy menopausal women with hot flashes: results from a subpopulation analysis. Gynecol Endocrinol. 2019 Jan;35(1):58-61. View abstract.
Mousa HFM, Abd-El-Fatah NK, Darwish OA, Shehata SF, Fadel SH. Effect of Nigella sativa seed administration on prevention of febrile neutropenia during chemotherapy among children with brain tumors. Childs Nerv Syst. 2017;33(5):793-800. View abstract.
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Moustafa HAM, El Wakeel LM, Halawa MR, Sabri NA, El-Bahy AZ, Singab AN. Effect of Nigella sativa oil versus metformin on glycemic control and biochemical parameters of newly diagnosed type 2 diabetes mellitus patients. Endocrine 2019;65(2):286-94. View abstract.
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Nikakhlagh S, Rahim F, Aryani FH, Syahpoush A, Brougerdnya MG, Saki N. Herbal treatment of allergic rhinitis: the use of nigella sativa. Am J Otolaryngol. 2011 Sep-Oct;32(5):402-7. View abstract.
Nikkhah-Bodaghi M, Darabi Z, Agah S, Hekmatdoost A. The effects of Nigella sativa on quality of life, disease activity index, and some of inflammatory and oxidative stress factors in patients with ulcerative colitis. Phytother Res. 2019 Apr;33(4):1027-1032. doi: 10.1002/ptr.6296. Epub 2019 Jan 22. View abstract.
Onifade AA, Jewell AP, Adedeji WA. Nigella sativa concoction induced sustained seroreversion in HIV patient. Afr J Tradit Complement Altern Med. 2013;10(5):332-5. View abstract.
Oysu C, Tosun A, Yilmaz HB, Sahin-Yilmaz A, Korkmaz D, Karaaslan A. Topical nigella sativa for nasal symptoms in elderly. Auris Nasus Larynx. 2014 Jun;41(3):269-72. View abstract.
Perveen T, Haider S, Zuberi NA, et al. Increased 5-HT levels following repeated administration of Nigella sativa L. (Black Seed) oil produce antidepressant effects in rats. Sci Pharm 2013;82:161-70. View abstract.
Rafati M, Ghasemi A, Saeedi M, et al. Nigella sativa L. for prevention of acute radiation dermatitis in breast cancer: A randomized, double-blind, placebo-controlled, clinical trial. Complement Ther Med. 2019;47:102205. View abstract.
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Sabzghabaee AM, Dianatkhah M, Sarrafzadegan N, et al. Clinical evaluation of Nigella sativa seeds for the treatment of hyperlipidemia: a randomized, placebo controlled clinical trial. Medicinski Arhiv 2012;66(3):198-200. View abstract.
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Sahebkar A, Soranna D, Liu X, et al. A systematic review and meta-analysis of randomized controlled trials investigating the effects of supplementation with Nigella sativa (black seed) on blood pressure. J Hypertens 2016;34:2127-35. View abstract.
Salem AM, Bamosa AO, Qutub HO, et al. Effect of Nigella sativa supplementation on lung function and inflammatory mediatorsin partly controlled asthma: a randomized controlled trial. Ann Saudi Med 2017;37:64-71. View abstract.
Salem EM, Yar T, Bamosa AO, et al. Comparative study of nigella sativa and triple therapy in eradication of helicobacter pylori in patients with non-ulcer dyspepsia. Saudi J Gastroenterol. 2010 Jul-Sep;16(3):207-14. View abstract.
Salomi NJ, Nair SC, Jayawardhanan KK, et al. Antitumour principles from Black seed seeds. Cancer Lett 1992;63:41-6. View abstract.
Samadipour E, Rakhshani MH, Kooshki A, Amin B. Local usage of Nigella sativa oil as an innovative method to attenuate primary dysmenorrhea: A randomized double-blind clinical trial. Oman Med J. 2020;35(5):e167. View abstract.
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Shawki M, El Wakeel L, Shatla R, et al. The clinical outcome of adjuvant therapy with black seed oil on intractable paediatric seizures: a pilot study. Epileptic Disord 2013;15:295-301. View abstract.
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