Life Extension Magazine®
Nigella sativa (black cumin seed) oil has a longstanding history of traditional medicinal use for digestive support, respiratory comfort, and vitality.1,2
Preclinical and clinical research have reported beneficial effects related to immune support by its balancing inflammatory and beneficial immune responses.1,3,4
Chronic inflammation and changes in immune system function are considered contributors to many age-related diseases.5,6
With aging, the balance between protective and inflammatory responses may become dysregulated. This can lead to low-level systemic inflammation alongside reduced immune responsiveness.6,7
Modern research has identified thymoquinone, a primary bioactive compound in black cumin seed oil, as having a range of biological activities relevant to inflammation and chronic conditions.2
Current research has focused on three main potential benefits of black cumin seed oil: inflammatory response,2,8,9 immune health,3,4 and antioxidant defense.2,9
As a result, black cumin seed oil has attracted interest for its potential role in addressing chronic diseases such as arthritis, allergies, asthma, cardiovascular health, and more.2
Arthritis
heumatoid arthritis and osteo arthritis differ in cause but are both associated with joint pain, reduced mobility, and inflamma tion.10 Preclinical research suggests that thymoquinone may influence inflammatory pathways.11,12
- Rheumatoid arthritis – Preliminary research suggests that black cumin seed oil may support joint comfort and help maintain healthy joint function.10 In a small study of 40 women with rheumatoid arthritis who were already receiving standard treatment, taking 500 mg of black cumin seed oil twice daily for one month led to significant improvements in disease activity. Participants experienced fewer swollen joints and shorter duration of morning stiffness, as measured by the Disease Activity Score for Rheumatoid Arthritis.13
- Osteoarthritis – associated with the breakdown of joint cartilage.10 In a study of 116 patients with knee osteoarthritis, those taking 2.5 mL of black cumin seed oil every eight hours for one month experienced significant decreases in their symptoms and in their pain scores, compared to those taking a placebo. A reduction in acetaminophen use was also observed in the treatment group.14
Nasal Allergies and Asthma
Nasal allergies (allergic rhinitis) and asthma are both driven by an overreaction of the immune system and resulting inflammation.15 Experimental and clinical research have reported that black cumin seed oil has been explored for potential effects on the inflammatory factors in these conditions. Studies suggest it exhibits a range of biological activities relevant to immune and respiratory functions.16
- Nasal Allergies – inflammation triggered by allergens in the air.15 In a clinical trial of 66 patients with allergic rhinitis, treatment with black cumin seed oil for 30 days resulted in significant reductions in nasal congestion and itching, runny nose, and sneezing attacks. The improvements were seen in the treatment group as early as in 15 days.17
- Asthma – a chronic condition involving airway inflammation and reversible narrowing.18 In a randomized, double-blind, placebo-controlled trial, asthma patients who took 500 mg of black cumin seed oil twice a day for four weeks experienced greater improvements in their Asthma Control Test score than those taking a placebo. They also had a significant reduction in blood eosinophils.19 These white blood cells are often elevated in asthma and contribute to the airway inflammation and swelling that trigger asthma attacks.18
Cardiovascular Health
C‑reactive protein (CRP), a marker of systemic inflammation, helps predict the risk of heart disease.20 Inflammation and oxidative stress contribute to cardiovascular disease progression, with CRP serving as a biomarker and a contributor to clot formation.21
- Coronary artery disease. In 60 individuals with coronary artery disease, patients took either 2 grams of black cumin seed oil per day or a placebo for eight weeks. Those taking the black cumin seed oil experienced significant decreases in two cell adhesion molecules that contribute to inflammatory diseases. They also experienced a decrease in the measure of oxidative stress and beneficial increases in total antioxidant capacity. These results indicate that black cumin seed oil may support vascular function and markers of oxidative stress.22
- Two systematic reviews and meta‑analyses of randomized controlled trials suggest that Nigella sativa seed and seed oil supplementation may be associated with modest improvements in markers of inflammation and oxidative stress. Reported findings include reductions in serum C‑reactive protein8,23 and malondialdehyde levels,23 as well as increases in total antioxidant capacity,23 with effects appearing more pronounced among individuals with obesity.8
Black cumin seed oil should not be confused with culinary cumin; it is derived from the seeds of the Nigella sativa plant and is often cold-pressed.
Summary
Black cumin seed oil has a history of traditional use and has been studied for its effects on inflammatory response, immune function, and antioxidant activity.
Research, including clinical trials, suggests it may be associated with improvements in symptoms and biomarkers in conditions such as arthritis, allergic rhinitis, asthma, and aspects of cardiovascular health.
If you have any questions on the scientific content of this article, please call a Life Extension Wellness Specialist at 1-866-864-3027.
References
- Amin B, Hosseinzadeh H. Black Cumin (Nigella sativa) and Its Active Constituent, Thymoquinone: An Overview on the Analgesic and Anti-inflammatory Effects. Planta Med. 2016 Jan;82(1-2):8-16.
- Yimer EM, Tuem KB, Karim A, et al. Nigella sativa L. (Black Cumin): A Promising Natural Remedy for Wide Range of Illnesses. Evid Based Complement Alternat Med. 2019;2019:1528635.
- Salem A, Bamosa A, Alam M, et al. Effect of Nigella sativa on general health and immune system in young healthy volunteers; a randomized, placebo-controlled, double-blinded clinical trial. F1000Res. 2021;10:1199.
- Majdalawieh AF, Fayyad MW. Immunomodulatory and anti-inflammatory action of Nigella sativa and thymoquinone: A comprehensive review. Int Immunopharmacol. 2015 Sep;28(1):295-304.
- Ajoolabady A, Pratico D, Tang D, et al. Immunosenescence and inflammaging: Mechanisms and role in diseases. Ageing Res Rev. 2024 Nov;101:102540.
- Rea IM, Gibson DS, McGilligan V, et al. Age and Age-Related Diseases: Role of Inflammation Triggers and Cytokines. Front Immunol. 2018;9:586.
- Lewis ED, Wu D, Meydani SN. Age-associated alterations in immune function and inflammation. Prog Neuropsychopharmacol Biol Psychiatry. 2022 Aug 30;118:110576.
- Tavakoly R, Arab A, Vallianou N, et al. The effect of Nigella sativa L. supplementation on serum C-reactive protein: A systematic review and meta-analysis of randomized controlled trials. Complement Ther Med. 2019 Aug;45:149-55.
- Lan X, Xia Y. Alleviating effects of Nigella sativa supplements on biomarkers of inflammation and oxidative stress: Results from an umbrella meta-analysis. Prostaglandins Other Lipid Mediat. 2025 Jan;176:106945.
- Zhang Z, Shao Z, Xu Z, et al. Similarities and differences between osteoarthritis and rheumatoid arthritis: insights from Mendelian randomization and transcriptome analysis. J Transl Med. 2024 Sep 20;22(1):851.
- Wang D, Qiao J, Zhao X, et al. Thymoquinone Inhibits IL-1beta-Induced Inflammation in Human Osteoarthritis Chondrocytes by Suppressing NF-kappaB and MAPKs Signaling Pathway. Inflammation. 2015 Dec;38(6):2235-41.
- Mahboubi M, Mohammad Taghizadeh Kashani L, Mahboubi M. Nigella sativa fixed oil as alternative treatment in management of pain in arthritis rheumatoid. Phytomedicine. 2018 Jul 15;46:69-77.
- Gheita TA, Kenawy SA. Effectiveness of Nigella sativa oil in the management of rheumatoid arthritis patients: a placebo controlled study. Phytother Res. 2012 Aug;26(8):1246-8.
- Huseini HF, Mohtashami R, Sadeghzadeh E, et al. Efficacy and safety of oral Nigella sativa oil for symptomatic treatment of knee osteoarthritis: A double-blind, randomized, placebo-controlled clinical trial. Complement Ther Clin Pract. 2022 Nov;49:101666.
- Available at: https://www.nhsinform.scot/illnesses-and-conditions/ears-nose-and-throat/allergic-rhinitis/. Accessed March 26, 2026.
- Gholamnezhad Z, Shakeri F, Saadat S, et al. Clinical and experimental effects of Nigella sativa and its constituents on respiratory and allergic disorders. Avicenna J Phytomed. 2019 May-Jun;9(3):195-212.
- Nikakhlagh S, Rahim F, Aryani FH, et al. Herbal treatment of allergic rhinitis: the use of Nigella sativa. Am J Otolaryngol. 2011 Sep-Oct;32(5):402-7.
- Ghrairi N, Elhechmi YZ. Physiopathology of Allergic Asthma: A Comprehensive Review. Scand J Immunol. 2025 May;101(5):e70032.
- Koshak A, Wei L, Koshak E, et al. Nigella sativa Supplementation Improves Asthma Control and Biomarkers: A Randomized, Double-Blind, Placebo-Controlled Trial. Phytother Res. 2017 Mar;31(3):403-9.
- Ridker Paul M. A Test in Context. JACC. 2016 2016/02/16;67(6):712-23.
- Zhang Z, Yang Y, Hill MA, et al. Does C-reactive protein contribute to atherothrombosis via oxidant-mediated release of pro-thrombotic factors and activation of platelets? Front Physiol. 2012;3:433.
- Tavakoli-Rouzbehani OM, Abbasnezhad M, Kheirouri S, et al. Efficacy of nigella sativa oil on endothelial function and atherogenic indices in patients with coronary artery diseases: A randomized, double-blind, placebo-control clinical trial. Phytother Res. 2022 Dec;36(12):4516-26.
- Mohit M, Farrokhzad A, Faraji SN, et al. Effect of Nigella sativa L. supplementation on inflammatory and oxidative stress indicators: A systematic review and meta-analysis of controlled clinical trials. Complement Ther Med. 2020 Nov;54:102535.