Plant Comparison
Birch vs Black Cumin
A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.
At a glance
Birch and Black Cumin: they share 12 indicated uses (acid reflux, arthritis / joint pain, back pain, …); 6 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Birch | Black Cumin | Verdict |
|---|---|---|---|
| Acid reflux | 1/10 | 5/10 | Stronger for Black Cumin |
| Arthritis / joint pain | 1/10 | 5/10 | Stronger for Black Cumin |
| Back pain | 1/10 | 5/10 | Stronger for Black Cumin |
| Blood sugar / diabetes support | 1/10 | 5/10 | Stronger for Black Cumin |
| Cancer (anticancer research) | 2/10 | 7/10 | Stronger for Black Cumin |
| Cold & flu | 1/10 | 5/10 | Stronger for Black Cumin |
| Indigestion | 1/10 | 5/10 | Stronger for Black Cumin |
| Infection (general) | 1/10 | 5/10 | Stronger for Black Cumin |
| Inflammation (general) | 1/10 | 5/10 | Stronger for Black Cumin |
| Metabolic support | 1/10 | 5/10 | Stronger for Black Cumin |
| Skin irritation | 1/10 | 5/10 | Stronger for Black Cumin |
| Wounds | 1/10 | 5/10 | Stronger for Black Cumin |
Evidence scores (1–10) are computed from the tier of each cited source. “Comparable” means the two scores are within one point. Follow a score to its detailed sources.
Key Constituents
Principal diuretic and antioxidant constituents of the leaf.
Characteristic bark triterpenes, betulin giving birch bark its white colour; studied for anticancer and anti-inflammatory activity.
Contribute to the astringent and antioxidant properties of the bark and leaf.
The principal bioactive constituent of the seed oil, responsible for much of its anti-inflammatory, antioxidant and antimicrobial activity.
The aromatic fraction of the seed, contributing antimicrobial and antioxidant activity.
The bulk lipid fraction of the seed (roughly a third of seed weight by weight), the carrier for the fat-soluble thymoquinone.
Minor isoquinoline-type alkaloids studied for antioxidant activity.
Triterpene saponin studied for anticancer and antiparasitic activity.
Pharmacological Actions
Traditional & Indicated Uses
inferred from gastroprotective action
inferred from anti-inflammatory action
inferred from anti-rheumatic action
inferred from antidiabetic action
inferred from anticancer action
inferred from gastroprotective action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from antidiabetic action
inferred from anti-inflammatory action
inferred from diuretic action
inferred from diuretic action
inferred from diuretic action
inferred from gastroprotective action
inferred from anti-inflammatory action
inferred from analgesic action
inferred from digestive action
inferred from antidiabetic action
inferred from anticancer action
inferred from immunomodulator action
inferred from analgesic action
inferred from digestive action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from antidiabetic action
inferred from anti-inflammatory action
Safety, Cautions & Contraindications
Generally considered safe when used appropriately. Side effects may include diarrhea, nausea, and allergic reactions (itching, rash, stuffy nose). Not recommended for individuals with edema caused by heart or kidney dysfunction. Ensure adequate fluid intake when using as a diuretic. Frequency of side effects is unknown.
Duke (2002) provides clinical evidence (score 2) for birch leaf's diuretic activity, as well as for its use in urinary gravel, kidney stones, and rheumatic conditions — consistent with Commission E (KOM) and German Phytotherapy (PIP) approvals. It acts as an aquaretic, increasing urine volume without electrolyte loss. Antimelanomic activity has been demonstrated in experimental studies. The plant has a good safety profile and is classified as non-toxic at usual therapeutic doses (Duke, 2002).
Generally well-tolerated in clinical trials at doses up to 200 mg/day of oil for 90 days. Potential side effects may include mild gastrointestinal discomfort. Contraindicated during pregnancy due to potential uterine stimulant effects. May interact with immunosuppressants and antidiabetic medications. Allergic reactions possible in sensitive individuals. Consult healthcare provider before use, especially with concurrent medications.
Duke (2002) describes black cumin (Nigella sativa) as one of the most multi-active medicinal spices, with experimental evidence for bronchodilation, immunostimulation, hepatoprotection, and antihistaminic activity. The prophet Muhammad reportedly described it as 'a cure for all things except death.' Key bioactive compounds include thymoquinone and nigellone. Antihistaminic and bronchodilatory activity supports its traditional use in asthma and allergic conditions. Duke notes it is generally safe at culinary amounts but recommends caution with medicinal doses in pregnancy due to potential uterotonic effects (Duke, 2002).
External Ids
Botanical Description
Elegant deciduous tree with a slender trunk, distinctive smooth white bark that peels in papery horizontal strips and becomes dark and fissured near the base with age, and characteristically drooping ('pendulous') branchlets. The leaves are small, triangular to diamond-shaped, doubly toothed and long-pointed. Male and female flowers are borne in separate catkins on the same tree in spring.[1]
Annual herb (Ranunculaceae), 20-90 cm tall, with an erect, branched stem and finely divided, pinnately dissected, fern-like leaves. Delicate pale blue-white (occasionally pale purple) flowers, each with 5-10 petal-like sepals, are surrounded by a feathery bract collar. The fruit is an inflated, many-celled capsule that dries and splits to release numerous small, black, angular seeds - the medicinal part.[1]
Habitat
A pioneer tree of light, well-drained, often poor or acidic soils, growing in woodland, heathland and waste ground across Europe and much of temperate Asia.[1]
Native to the Mediterranean basin, southern Europe, western Asia and North Africa, and widely cultivated as a spice and medicinal crop across the Middle East, South Asia and North Africa; grows in cultivated fields and on disturbed ground.[1]
Harvesting
Leaves are picked in spring and early summer while young and tender; bark is collected from felled or fallen wood (living trees should not be stripped of bark, which can kill them); sap is tapped in early spring, before leaf-out, through a small hole bored in the trunk.[1]
Seed capsules are harvested once dried and brown (late summer), then threshed to release the small black seeds. Seed is stored whole and either used directly or cold-pressed for oil shortly before use to preserve the volatile thymoquinone-rich fraction.[1]
Traditional Uses
Birch leaf is a classic European 'aquaretic' diuretic used for urinary gravel, kidney stones and as a spring detoxifying tonic, and for rheumatic and joint complaints; the bark and its extracts have a long folk history for skin conditions, while the sap has been drunk fresh as a traditional spring tonic.[1]
One of the most celebrated medicinal seeds in Middle Eastern and Islamic traditional medicine - known as 'Habbatul Barakah' (the blessed seed) - black seed has traditionally been used for digestive complaints, respiratory conditions (asthma, cough), pain, inflammation, skin conditions and as a general tonic. Modern research on its principal constituent thymoquinone supports broad anti-inflammatory, antioxidant, antimicrobial, antidiabetic and immunomodulatory activity.[1, 2, 9]
Preparations
Dosage
The EU herbal monograph gives 2-3 g of the comminuted leaf in 150 mL of boiling water as an infusion, up to 4 times daily, in adolescents, adults and elderly, with adequate fluid intake; dry extract at 0.25-1 g 4 times daily and liquid extract at 15 mL 2-3 times daily are also listed. Traditionally used over a period of 2-4 weeks. Not recommended under 12 years. Educational reference only, not a prescription.
References
Lookalikes Review
Drug Class Interactions
Not documented
References & Sources
- Rastogi, S., Pandey, M.M. and Kumar Singh Rawat, A (2014) 'Medicinal plants of the genus Betula — traditional uses and a phytochemical-pharmacological review', Journal of Ethnopharmacology, 159, pp. 62-83. doi:10.1016/j.jep.2014.11.010 Traditional / reference
https://doi.org/10.1016/j.jep.2014.11.010 - Penkov, D., Andonova, V., Delev, D. and Kostadinov, I (2018) 'Antioxidant Activity of Dry Birch (Betula pendula) Leaves Extract', Folia Medica, 60(4), pp. 571-579. doi:10.2478/folmed-2018-0035 Preclinical
https://doi.org/10.2478/folmed-2018-0035 - Sevastre-Berghian, A.C., Ielciu, I., Bab, T., Olah, N.K. et al (2023) 'Betula pendula Leaf Extract Targets the Interplay between Brain Oxidative Stress, Inflammation, and NF-kB Pathways in Amyloid Abeta-Treated Rats', Antioxidants (Basel), 12(12), pp. 2110. doi:10.3390/antiox12122110 Preclinical
https://doi.org/10.3390/antiox12122110 - Grundemann, C., Gruber, C.W., Hertrampf, A., Zehl, M., Kopp, B. and Huber, R (2011) 'An aqueous birch leaf extract of Betula pendula inhibits the growth and cell division of inflammatory lymphocytes', Journal of Ethnopharmacology, 136(3), pp. 444-451. doi:10.1016/j.jep.2011.05.018 Preclinical
https://doi.org/10.1016/j.jep.2011.05.018 - Azman, N.A.M., Skowyra, M., Muhammad, K., Gallego, M.G. and Almajano, M.P (2017) 'Evaluation of the antioxidant activity of Betula pendula leaves extract and its effects on model foods', Pharmaceutical Biology, 55(1), pp. 912-919. doi:10.1080/13880209.2017.1282528 Preclinical
https://doi.org/10.1080/13880209.2017.1282528 - Bljajic, K., Sostaric, N., Petlevski, R., Vujic, L., Brajkovic, A. and Fumic, B (2016) 'Effect of Betula pendula Leaf Extract on alpha-Glucosidase and Glutathione Level in Glucose-Induced Oxidative Stress', Evidence-Based Complementary and Alternative Medicine, 2016, pp. 8429398. doi:10.1155/2016/8429398 Preclinical
https://doi.org/10.1155/2016/8429398 - Ou-Yang, T., Zhang, Y., Luo, H.Z., Liu, Y. and Ma, S.C (2023) 'Novel compounds discovery approach based on UPLC-QTOF-MS/MS chemical profile reveals birch bark extract anti-inflammatory, -oxidative, and -proliferative effects', Journal of Ethnopharmacology, 309, pp. 116148. doi:10.1016/j.jep.2023.116148 Preclinical
https://doi.org/10.1016/j.jep.2023.116148 - Szoka, L., Nazaruk, J., Stocki, M. and Isidorov, V (2021) 'Santin and cirsimaritin from Betula pubescens and Betula pendula buds induce apoptosis in human digestive system cancer cells', Journal of Cellular and Molecular Medicine, 25(23), pp. 11085-11096. doi:10.1111/jcmm.17031 Preclinical
https://doi.org/10.1111/jcmm.17031 - Isidorov, V., Szoka, L. and Nazaruk, J (2018) 'Cytotoxicity of white birch bud extracts: Perspectives for therapy of tumours', PLoS One, 13(8), pp. e0201949. doi:10.1371/journal.pone.0201949 Preclinical
https://doi.org/10.1371/journal.pone.0201949 - Efthimiou, I., Vlastos, D., Triantafyllidis, V., Eleftherianos, A. and Antonopoulou, M (2022) 'Investigation of the Genotoxicological Profile of Aqueous Betula pendula Extracts', Plants, 11(20), pp. 2673. doi:10.3390/plants11202673 Preclinical
https://doi.org/10.3390/plants11202673 - Jafari Hajati, R., Payamnoor, V., Ahmadian Chashmi, N. and Ghasemi Bezdi, K (2018) 'Improved accumulation of betulin and betulinic acid in cell suspension culture of Betula pendula Roth by abiotic and biotic elicitors', Preparative Biochemistry & Biotechnology, 48(10), pp. 915-924. doi:10.1080/10826068.2018.1514514 Preclinical
https://doi.org/10.1080/10826068.2018.1514514 - European Medicines Agency (HMPC) (2015) 'European Union herbal monograph on Betula pendula Roth and/or Betula pubescens Ehrh. as well as hybrids of both species, folium'. Available at: https://www.ema.europa.eu/en/documents/herbal-monograph/final-european-union-herbal-monograph-betula-pendula-roth-betula-pubescens-ehrh-folium_en.pdf Traditional / reference
https://www.ema.europa.eu/en/documents/herbal-monograph/final-european-union-herbal-monograph-betula-pendula-roth-betula-pubescens-ehrh-folium_en.pdf - European Medicines Agency (HMPC) (2015) 'Birch leaf (Betulae folium): summary for the public'. Available at: https://www.ema.europa.eu/en/documents/herbal-summary/birch-leaf-summary-public_en.pdf Traditional / reference
https://www.ema.europa.eu/en/documents/herbal-summary/birch-leaf-summary-public_en.pdf - Oszmiański J, et al. Evaluating birch leaf tea as a functional herbal beverage. Food Res Int. 2024. https://www.sciencedirect.com/science/article/abs/pii/S0963996924005519 https://pmc.ncbi.nlm.nih.gov/articles/PMC7126499/ (2024) 'https://www.sciencedirect.com/science/article/abs/pii/S0963996924005519 https://pmc.ncbi.nlm.nih.gov/articles/PMC7126499/'. Available at: https://www.sciencedirect.com/science/article/abs/pii/S0963996924005519 Traditional / reference
https://www.sciencedirect.com/science/article/abs/pii/S0963996924005519 - Rastogi S, Pandey MM, Rawat AKS. Medicinal plants of the genus Betula—Traditional uses and a phytochemical–pharmacological review. J Ethnopharmacol. 2015;159:62-83. https://pmc.ncbi.nlm.nih.gov/articles/PMC7126499/ (2015) ';159:62-83'. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC7126499/ Traditional / reference
https://pmc.ncbi.nlm.nih.gov/articles/PMC7126499/ - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition
- Hannan, M.A., Rahman, M.A., Sohag, A.A.M., Uddin, M.J., Dash, R., Sikder, M.H., Rahman, M.S., Timalsina, B., Munni, Y.A. and Sarker, P.P (2021) 'Black Cumin (Nigella sativa L.): A Comprehensive Review on Phytochemistry, Health Benefits, Molecular Pharmacology, and Safety', Nutrients, 13(6), pp. 1784. doi:10.3390/nu13061784 Meta-analysis / review
https://doi.org/10.3390/nu13061784 - Ahmad, A., Husain, A., Mujeeb, M., Khan, S.A., Najmi, A.K., Siddique, N.A., Damanhouri, Z.A. and Anwar, F (2013) 'A review on therapeutic potential of Nigella sativa: A miracle herb', Asian Pacific Journal of Tropical Biomedicine, 3(5), pp. 337-352. doi:10.1016/S2221-1691(13)60075-1 Meta-analysis / review
https://doi.org/10.1016/S2221-1691(13)60075-1 - Chatterjee, G., Saha, A.K., Khurshid, S. and Saha, A (2025) 'A Comprehensive Review of the Antioxidant, Antimicrobial, and Therapeutic Efficacies of Black Cumin (Nigella sativa L.) Seed Oil and Its Thymoquinone', Journal of Medicinal Food, 28(4), pp. 325-339. doi:10.1089/jmf.2024.k.0149 Meta-analysis / review
https://doi.org/10.1089/jmf.2024.k.0149 - Majdalawieh, A.F. and Fayyad, M.W (2015) 'Immunomodulatory and anti-inflammatory action of Nigella sativa and thymoquinone: A comprehensive review', International Immunopharmacology, 28(1), pp. 295-304. doi:10.1016/j.intimp.2015.06.023 Meta-analysis / review
https://doi.org/10.1016/j.intimp.2015.06.023 - Shaukat, A., Zaidi, A., Anwar, H. and Kizilbash, N (2023) 'Mechanism of the antidiabetic action of Nigella sativa and Thymoquinone: a review', Frontiers in Nutrition, 10, pp. 1126272. doi:10.3389/fnut.2023.1126272 Meta-analysis / review
https://doi.org/10.3389/fnut.2023.1126272 - Beheshti, F., Khazaei, M. and Hosseini, M (2016) 'Neuropharmacological effects of Nigella sativa', Avicenna Journal of Phytomedicine, 6(1), pp. 104-116. Meta-analysis / review
https://scholar.google.com/scholar?q=Neuropharmacological%20effects%20of%20Nigella%20sativa - Shafiq, H., Ahmad, A., Masud, T. and Kaleem, M (2014) 'Cardio-protective and anti-cancer therapeutic potential of Nigella sativa', Iranian Journal of Basic Medical Sciences, 17(12), pp. 967-979. Meta-analysis / review
https://scholar.google.com/scholar?q=Cardio-protective%20and%20anti-cancer%20therapeutic%20potential%20of%20Nigella%20sativa - Bordoni, L., Fedeli, D., Nasuti, C., Maggi, F., Papa, F., Wabitsch, M., De Caterina, R. and Gabbianelli, R (2019) 'Antioxidant and Anti-Inflammatory Properties of Nigella sativa Oil in Human Pre-Adipocytes', Antioxidants, 8(2), pp. 51. doi:10.3390/antiox8020051 Preclinical
https://doi.org/10.3390/antiox8020051 - Gholamnezhad, Z., Havakhah, S. and Boskabady, M.H (2016) 'Preclinical and clinical effects of Nigella sativa and its constituent, thymoquinone: A review', Journal of Ethnopharmacology, 190, pp. 372-386. doi:10.1016/j.jep.2016.06.061 Meta-analysis / review
https://doi.org/10.1016/j.jep.2016.06.061 - Ali, B.H. and Blunden, G (2003) 'Pharmacological and toxicological properties of Nigella sativa', Phytotherapy Research, 17(4), pp. 299-305. doi:10.1002/ptr.1309 Meta-analysis / review
https://doi.org/10.1002/ptr.1309 - Al-Attass, S.A., Zahran, F.M. and Turkistany, S.A (2016) 'Nigella sativa and its active constituent thymoquinone in oral health', Saudi Medical Journal, 37(3), pp. 235-244. doi:10.15537/smj.2016.3.13006 Meta-analysis / review
https://doi.org/10.15537/smj.2016.3.13006 - Ahmad A, Husain A, Mujeeb M, et al. A review on therapeutic potential of Nigella sativa: A miracle herb. Asian Pac J Trop Biomed. 2013;3 (2013) ';3(5):337-352', 3(5). Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC3642442/ Traditional / reference
https://pmc.ncbi.nlm.nih.gov/articles/PMC3642442/ - Darakhshan S, Bidmeshki Pour A, Hosseinzadeh Colagar A, Sisakhtnezhad S. Thymoquinone and its therapeutic potentials. Pharmacol Res. 2015;95-96:138-158. https://pmc.ncbi.nlm.nih.gov/articles/PMC4387230/ (2015) ';95-96:138-158'. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC4387230/ Traditional / reference
https://pmc.ncbi.nlm.nih.gov/articles/PMC4387230/ - Forouzanfar F, Bazzaz BSF, Hosseinzadeh H. A review of ethnobotany, phytochemistry, antimicrobial pharmacology and toxicology of Nigella sativa L. Biomed Pharmacother. 2021;142:112040. https://www.sciencedirect.com/science/article/pii/S0753332221009665 (2021) ';142:112040'. Available at: https://www.sciencedirect.com/science/article/pii/S0753332221009665 Traditional / reference
https://www.sciencedirect.com/science/article/pii/S0753332221009665 - Gholamnezhad Z, Keyhanmanesh R, Boskabady MH. Anti-inflammatory, antioxidant, and immunomodulatory aspects of Nigella sativa for its preventive and bronchodilatory effects on obstructive respiratory diseases. Biomed Pharmacother. 2021;136:111240. https://www.sciencedirect.com/science/article/pii/S0753332221002778 (2021) ';136:111240'. Available at: https://www.sciencedirect.com/science/article/pii/S0753332221002778 Traditional / reference
https://www.sciencedirect.com/science/article/pii/S0753332221002778 - Hannan MA, Rahman MA, Sohag AAM, et al. Black cumin (2021) ';13(6):1784', 13(6). doi:10.3389/fphar.2021.625386/full Randomized trial
https://doi.org/10.3389/fphar.2021.625386/full - Kooti W, Hasanzadeh-Noohi Z, Sharafi-Ahvazi N, et al. Phytochemistry, pharmacology, and therapeutic uses of black seed (2016) ';22(3):231-237', 22(3). Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC8225153/ Traditional / reference
https://pmc.ncbi.nlm.nih.gov/articles/PMC8225153/ - Tavakkoli A, Mahdian V, Razavi BM, Hosseinzadeh H. Review on clinical trials of black seed (2017) ';20(3):179-193', 20(3). Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC5633670/ Traditional / reference
https://pmc.ncbi.nlm.nih.gov/articles/PMC5633670/ - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition - Saadati, S., Naseri, K., Asbaghi, O., Abhari, K., Zhang, P., Li, H.B. and Gan, R.Y (2022) 'Nigella sativa supplementation improves cardiometabolic indicators in population with prediabetes and type 2 diabetes mellitus: A systematic review and meta-analysis of randomized controlled trials', Frontiers in Nutrition, 9, pp. 977756. doi:10.3389/fnut.2022.977756 Meta-analysis / review
https://doi.org/10.3389/fnut.2022.977756 - Willcox, M.L., Elugbaju, C., Al-Anbaki, M., Lown, M. and Graz, B (2021) 'Effectiveness of Medicinal Plants for Glycaemic Control in Type 2 Diabetes: An Overview of Meta-Analyses of Clinical Trials', Frontiers in Pharmacology, 12, pp. 777561. doi:10.3389/fphar.2021.777561 Meta-analysis / review
https://doi.org/10.3389/fphar.2021.777561 - Daryabeygi-Khotbehsara, R., Golzarand, M., Ghaffari, M.P. and Djafarian, K (2017) 'Nigella sativa improves glucose homeostasis and serum lipids in type 2 diabetes: a systematic review and meta-analysis', Complementary Therapies in Medicine, 35, pp. 6-13. doi:10.1016/j.ctim.2017.08.016 Meta-analysis / review
https://doi.org/10.1016/j.ctim.2017.08.016 - Sahebkar, A., Soranna, D., Liu, X., Thomopoulos, C., Simental-Mendia, L.E., Derosa, G., Maffioli, P. and Parati, G (2016) 'A systematic review and meta-analysis of randomized controlled trials investigating the effects of supplementation with Nigella sativa (black seed) on blood pressure', Journal of Hypertension, 34(11), pp. 2127-2135. doi:10.1097/HJH.0000000000001049 Meta-analysis / review
https://doi.org/10.1097/HJH.0000000000001049 - Kavyani, Z., Musazadeh, V., Safaei, E., Mohammadi Asmaroud, M., Khashakichafi, F., Ahrabi, S.S. and Dehghan, P (2023) 'Antihypertensive effects of Nigella sativa supplementation: an updated systematic review and meta-analysis of randomized controlled trials', Phytotherapy Research, 37(8), pp. 3224-3238. doi:10.1002/ptr.7891 Meta-analysis / review
https://doi.org/10.1002/ptr.7891
Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.