Plant Comparison
Borage vs Lungwort
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
Borage and Lungwort: both belong to the Boraginaceae family; they share 4 indicated uses (arthritis / joint pain, inflammation (general), respiratory support, …); 2 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Borage | Lungwort | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 1/10 | 2/10 | Comparable evidence |
| Inflammation (general) | 1/10 | 2/10 | Comparable evidence |
| Respiratory support | 1/10 | 2/10 | Comparable evidence |
| Skin irritation | 1/10 | 1/10 | Comparable evidence |
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
Borage seed oil has one of the highest known GLA contents of any plant oil (typically 20-26%), the basis of its anti-inflammatory reputation.
Unsaturated pyrrolizidine alkaloids present in the whole herb are hepatotoxic and genotoxic on cumulative exposure, limiting internal whole-herb use; the refined seed oil is largely free of them.
Contribute to the plant's traditional demulcent and astringent properties.
The main antioxidant and COX-2-inhibiting constituents; LC-MS/MS profiling of the aerial parts identified dozens of phenolic compounds (caffeic acid esters and danshensu/dicaffeic-acid conjugates), nine of them previously undescribed, with marked seasonal variation.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anticancer action
inferred from immunomodulator action
inferred from digestive action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
Traditional demulcent / expectorant for cough, bronchitis, sore throat and respiratory catarrh (mucilage and saponins)
Traditional demulcent / expectorant for cough, bronchitis, sore throat and respiratory catarrh (mucilage and saponins)
inferred from anti-inflammatory action
Traditional demulcent / expectorant for cough, bronchitis, sore throat and respiratory catarrh (mucilage and saponins)
inferred from demulcent action
Traditional demulcent / expectorant for cough, bronchitis, sore throat and respiratory catarrh (mucilage and saponins)
Safety, Cautions & Contraindications
Pyrrolizidine alkaloids (PAs): Many Boraginaceae can produce PAs; unsaturated PAs are hepatotoxic and genotoxic (risk increases with cumulative exposure). Borage as food/tea: PA presence in borage consumed as herb/tea has been specifically studied; EU has set PA maximum levels for certain foods including borage (context for why sourcing/limits matter). Pregnancy/breastfeeding: avoid internal use of borage herb products due to PA-related concerns and risk uncertainty. Liver disease / long-term use: avoid (PA risk + cumulative exposure logic). Seed oil vs herb: refined/quality-controlled seed oil is generally the preferred form when borage is used medicinally, because the main target compound is GLA; however, product quality and contamination control still matter. Drug interactions (caution): GLA oils have been discussed with anticoagulants (bleeding risk caution is better established for evening primrose oil; borage oil is often grouped in the same “GLA oil” category). Use caution if on anticoagulants/antiplatelets.
Duke (2002) rates borage as a single-plus herb (+) with predominantly folklore-level evidence. Borage seed oil is rich in gamma-linolenic acid (GLA) and has been used for inflammatory conditions such as arthritis and PMS, and for cardiovascular support; typical dose is one 300 mg softgel containing 24% GLA or 2-4 ml liquid leaf extract. Commission E does not approve borage for any indication, and the herb contains hepatotoxic and carcinogenic pyrrolizidine alkaloids, making long-term use inadvisable (Duke, 2002).
As a member of the borage family (Boraginaceae), which can contain hepatotoxic pyrrolizidine alkaloids, prolonged or high-dose internal use is best avoided; use in pregnancy and breastfeeding is not recommended.
Traditional use only; clinical evidence in humans is limited, so a cough or respiratory complaint that persists needs medical assessment.
External Ids
Botanical Description
Robust, bristly annual herb with hollow, branching stems covered in coarse, stiff hairs. The leaves are large, oval and wrinkled, also coarsely hairy, and smell of cucumber when crushed. The flowers are strikingly bright blue, star-shaped with five pointed petals and a prominent black central cone of anthers, borne in nodding clusters.[1]
Low, hairy perennial herb (Boraginaceae), 15-30 cm tall. Basal leaves are long-stalked, ovate to lance-shaped, often white-spotted - the spotted pattern was historically likened to diseased lung tissue under the medieval Doctrine of Signatures, giving rise to the name 'lungwort' - and covered in bristly hairs. Funnel-shaped flowers open pink and turn blue as they mature, borne in small coiled clusters (cymes).[10]
Habitat
Grows readily on disturbed, nutrient-rich ground, gardens, waste places and field margins; native to the Mediterranean region and widely naturalised and cultivated across Europe and elsewhere as a culinary and oil-seed crop.[1]
Native to central and southern Europe, growing in damp, shaded woodland, hedgebanks and scrub on humus-rich soils; widely cultivated as a shade garden plant.[10]
Harvesting
Leaves and flowers are picked fresh through the growing season, at their best just as the flowers open; the seed is collected in late summer once the seed heads have dried, pressed for its gamma-linolenic-acid-rich oil.[1]
Aerial flowering parts are cut during flowering (spring); the plant can also be gathered later in the growing season, though the phenolic constituent profile is documented to differ measurably between spring and autumn harvests.[11]
Traditional Uses
Borage has a long folk reputation, reflected in the old saying 'borage for courage', as a mood-lifting, cooling herb for feverish colds and respiratory complaints, and as a digestive and anti-inflammatory remedy; the fresh leaves and flowers have also been used culinarily. Modern use is centred on the seed oil, rich in gamma-linolenic acid (GLA), for inflammatory and skin conditions.[1]
Lungwort's spotted leaves inspired its traditional use, under the Doctrine of Signatures, as a remedy for lung and respiratory complaints - coughs, bronchitis, catarrh and sore throat - valued for its soothing mucilage and astringent tannins. Modern research confirms antioxidant and anti-inflammatory (COX-2-inhibiting) activity of its phenolic-rich extract, though clinical trial evidence in humans remains limited.[10]
Preparations
Dried aerial parts steeped in hot water, the traditional respiratory remedy.
Dosage
A phase-two randomised placebo-controlled trial in moderate persistent asthma used Borago officinalis extract at 5 mL three times daily for one month. Because of pyrrolizidine alkaloid content, whole-herb (leaf/flower) preparations should only be used short-term and from PA-controlled sources; avoid in pregnancy, breastfeeding and liver disease. Educational reference only, not a prescription.
Traditional guidance suggests roughly 2-4 g dried herb per cup as an infusion, up to three times daily, for short-term use; avoid prolonged or high-dose internal use given the borage family's potential pyrrolizidine-alkaloid content. Educational reference only, not a prescription.
References
Lookalikes Review
Dangerous Lookalikes
Not documented
References & Sources
- Slama, M., Slougui, N., Benaissa, A., Nekkaa, A. et al (2024) 'Borago officinalis L.: A Review on Extraction, Phytochemical, and Pharmacological Activities', Chemistry & Biodiversity, 21(5), pp. e202301822. doi:10.1002/cbdv.202301822 Traditional / reference
https://doi.org/10.1002/cbdv.202301822 - Michalak, M., Zagórska-Dziok, M., Klimek-Szczykutowicz, M. and Szopa, A (2023) 'Phenolic Profile and Comparison of the Antioxidant, Anti-Ageing, Anti-Inflammatory, and Protective Activities of Borago officinalis Extracts on Skin Cells', Molecules, 28(2), pp. 868. doi:10.3390/molecules28020868 Preclinical
https://doi.org/10.3390/molecules28020868 - Ghasemian, M., Owlia, S. and Owlia, M.B (2016) 'Review of Anti-Inflammatory Herbal Medicines', Advances in Pharmacological Sciences, 2016, pp. 9130979. doi:10.1155/2016/9130979 Traditional / reference
https://doi.org/10.1155/2016/9130979 - Di Cerbo, A., Carnevale, G., Avallone, R., Zavatti, M. and Corsi, L (2020) 'Protective Effects of Borago officinalis (Borago) on Cold Restraint Stress-Induced Gastric Ulcers in Rats: A Pilot Study', Frontiers in Veterinary Science, 7, pp. 427. doi:10.3389/fvets.2020.00427 Preclinical
https://doi.org/10.3389/fvets.2020.00427 - Seo, S.A., Park, B., Hwang, E., Park, S. and Yi, T (2018) 'Borago officinalis L. attenuates UVB-induced skin photodamage via regulation of AP-1 and Nrf2/ARE pathway in normal human dermal fibroblasts and promotion of collagen synthesis in hairless mice', Experimental Gerontology, 107, pp. 178-186. doi:10.1016/j.exger.2018.02.017 Preclinical
https://doi.org/10.1016/j.exger.2018.02.017 - Mirsadraee, M., Khashkhashi Moghaddam, S., Saeedi, P. and Ghaffari, S (2016) 'Effect of Borago Officinalis Extract on Moderate Persistent Asthma: A Phase two Randomized, Double Blind, Placebo-Controlled Clinical Trial', Tanaffos, 15(3), pp. 168-174. doi:10.1183/13993003.congress-2016.pa4116 Randomized trial
https://doi.org/10.1183/13993003.congress-2016.pa4116 - Lozano-Baena, M., Tasset, I., Munoz-Serrano, A., Alonso-Moraga, A. and de Haro-Bailon, A (2016) 'Cancer Prevention and Health Benefices of Traditionally Consumed Borago officinalis Plants', Nutrients, 8(1), pp. 48. doi:10.3390/nu8010048 Preclinical
https://doi.org/10.3390/nu8010048 - Rodriguez-Magana, M.P., Cordero-Perez, P., Rivas-Morales, C., Oranday-Cardenas, M.A., Moreno-Pena, D.P., Garcia-Hernandez, D.G. and Leos-Rivas, C (2019) 'Hypoglycemic Activity of Tilia americana, Borago officinalis, Chenopodium nuttalliae, and Piper sanctum on Wistar Rats', Journal of Diabetes Research, 2019, pp. 7836820. doi:10.1155/2019/7836820 Preclinical
https://doi.org/10.1155/2019/7836820 - Navarro-Herrera, D., Aranaz, P., Eder-Azanza, L., Zabala, M., Romo-Hualde, A., Hurtado, C., Calavia, D., Lopez-Yoldi, M., Martinez, J.A., Gonzalez-Navarro, C.J. and Vizmanos, J.L (2018) 'Borago officinalis seed oil (BSO), a natural source of omega-6 fatty acids, attenuates fat accumulation by activating peroxisomal beta-oxidation both in C. elegans and in diet-induced obese rats', Food & Function, 9(8), pp. 4340-4351. doi:10.1039/c8fo00423d Preclinical
https://doi.org/10.1039/c8fo00423d - Moliner, C., Casedas, G., Barros, L., Finimundy, T.C., Gomez-Rincon, C. and Lopez, V (2022) 'Neuroprotective Profile of Edible Flowers of Borage (Borago officinalis L.) in Two Different Models: Caenorhabditis elegans and Neuro-2a Cells', Antioxidants, 11(7), pp. 1244. doi:10.3390/antiox11071244 Preclinical
https://doi.org/10.3390/antiox11071244 - Samy, M.N., Hamed, A.N.E., Sugimoto, S., Otsuka, H., Kamel, M.S. and Matsunami, K (2015) 'Officinalioside, a new lignan glucoside from Borago officinalis L', Natural Product Research, 30(8), pp. 967-972. doi:10.1080/14786419.2015.1088540 Preclinical
https://doi.org/10.1080/14786419.2015.1088540 - Yue, Y., Jin, F. and Yue, X (2021) 'The effect of Borago officinalis on the signaling pathway of the NLRP3 inflammasome complex, TLR4 and some inflammatory cytokines in type II diabetic patients with acute respiratory distress syndrome', Cellular and Molecular Biology, 67(3), pp. 178-183. doi:10.14715/cmb/2021.67.3.28 Clinical study
https://doi.org/10.14715/cmb/2021.67.3.28 - Fernandes, L., Pereira, J.A., Saraiva, J.A., Ramalhosa, E. and Casal, S (2019) 'Phytochemical characterization of Borago officinalis L. and Centaurea cyanus L. during flower development', Food Research International, 123, pp. 771-778. doi:10.1016/j.foodres.2019.05.014 Preclinical
https://doi.org/10.1016/j.foodres.2019.05.014 - European Medicines Agency (HMPC) (2021) 'Public statement on the use of herbal medicinal products containing toxic, unsaturated pyrrolizidine alkaloids (PAs), including recommendations regarding contamination of herbal medicinal products with PAs, Revision 1'. Available at: https://www.ema.europa.eu/en/documents/public-statement/public-statement-use-herbal-medicinal-products-containing-toxic-unsaturated-pyrrolizidine-alkaloids-pas-including-recommendations-regarding-contamination-herbal-medicinal-products-pyrrolizidine_en.pdf Traditional / reference
https://www.ema.europa.eu/en/documents/public-statement/public-statement-use-herbal-medicinal-products-containing-toxic-unsaturated-pyrrolizidine-alkaloids-pas-including-recommendations-regarding-contamination-herbal-medicinal-products-pyrrolizidine_en.pdf - Kapoor, R. and Huang, Y.S (2006) 'Gamma linolenic acid: an antiinflammatory omega-6 fatty acid', 7(6), pp. 531--534. doi:10.2174/138920106779116874 Traditional / reference
https://doi.org/10.2174/138920106779116874 - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - World Health Organization (2002) 'WHO Monographs on Selected Medicinal Plants'. Traditional / reference
https://scholar.google.com/scholar?q=WHO%20Monographs%20on%20Selected%20Medicinal%20Plants - 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 - Negroni, M.S., Marengo, A., Caruso, D., et al (2019) 'A case report of accidental intoxication following ingestion of foxglove confused with borage: high digoxinemia without major complications', Case Reports in Cardiology, 2019, pp. 9707428. doi:10.1155/2019/9707428 Clinical study
https://doi.org/10.1155/2019/9707428 - Iraci, F. and Herdeg, C. and Holzwarth, M. and Storz, M.A (2023) 'Of mixed vegetables and cardiac arrhythmias - Digitalis purpurea confused with Borago officinalis: a case series of accidental digitoxin intoxications', Journal of Cardiology Cases, 28(2), pp. 86-90. doi:10.1016/j.jccase.2023.04.007 Clinical study
https://doi.org/10.1016/j.jccase.2023.04.007
- Ignjatijevic, A., Andjic, T., Ljesevic, M., Nikolic, B. and others (2025) 'Assessment of Antioxidant Activity and Dose-Dependent Effect on Genotoxicity/Antigenotoxicity of Pulmonaria officinalis Ethanolic Extract', Pharmaceutics, 17(9), pp. 1134. doi:10.3390/pharmaceutics17091134 Preclinical
https://doi.org/10.3390/pharmaceutics17091134 - Krzaczek, T. and others (1995) 'Flavonoid glycosides from aerial parts of Pulmonaria officinalis', Planta Medica, 61(5), pp. 488. doi:10.1055/s-2006-959385 Preclinical
https://doi.org/10.1055/s-2006-959385 - Krzyzanowska-Kowalczyk, J. and others (2019) 'Pulmonaria officinalis L. Extract in Cystic Fibrosis: In Vitro Evidence on Staphylococcus aureus Clinical Isolates', Molecules, 24(6), pp. 1151. doi:10.3390/molecules24061151 Preclinical
https://doi.org/10.3390/molecules24061151 - Neagu, E., Radu, G.L., Albu, C. and Paun, G (2016) 'Antioxidant activity, acetylcholinesterase and tyrosinase inhibitory potential of Pulmonaria officinalis and Centaurium umbellatum extracts', Saudi Journal of Biological Sciences, 25(3), pp. 578-585. doi:10.1016/j.sjbs.2016.02.016 Preclinical
https://doi.org/10.1016/j.sjbs.2016.02.016 - Akram, M. and Rashid, A (2017) 'Anti-coagulant activity of plants: mini review', Journal of Thrombosis and Thrombolysis, 44(3), pp. 406-411. doi:10.1007/s11239-017-1546-5 Meta-analysis / review
https://doi.org/10.1007/s11239-017-1546-5 - Byshevskii, A.Sh., Gerbert, I.Ia., Dement'eva, I.A., Leven, P.I. and Chiriat'ev, E.A (1990) 'Nature, properties and the mechanism of the effect on blood coagulation of the preparation obtained from Pulmonaria officinalis', Gematologiia i Transfuziologiia, 35(10), pp. 6-9. Preclinical
https://scholar.google.com/scholar?q=Nature%2C%20properties%20and%20the%20mechanism%20of%20the%20effect%20on%20blood%20coagulation%20of%20the%20preparation%20obtained%20from%20Pulmonaria%20officinalis - Ivanova, D., Gerova, D., Chervenkov, T. and Yankova, T (2005) 'Polyphenols and antioxidant capacity of Bulgarian medicinal plants', Journal of Ethnopharmacology, 96(1-2), pp. 145-150. doi:10.1016/j.jep.2004.08.033 Preclinical
https://doi.org/10.1016/j.jep.2004.08.033 - Neuhauser, C., Schwarzinger, B., Schwarzinger, C., Feichtinger, M. and others (2024) 'Insulin-Mimetic Activity of Herbal Extracts Identified with Large-Scale Total Internal Reflection Fluorescence Microscopy', Nutrients, 16(14), pp. 2182. doi:10.3390/nu16142182 Preclinical
https://doi.org/10.3390/nu16142182 - Luthy, J., Brauchli, J., Zweifel, U., Schmid, P. and Schlatter, C (1984) 'Pyrrolizidine alkaloids in medicinal plants of Boraginaceae: Borago officinalis L. and Pulmonaria officinalis L', Pharmaceutica Acta Helvetiae, 59(9-10), pp. 242-246. Preclinical
https://scholar.google.com/scholar?q=Pyrrolizidine%20alkaloids%20in%20medicinal%20plants%20of%20Boraginaceae%3A%20Borago%20officinalis%20L.%20and%20Pulmonaria%20officinalis%20L. - Krzyzanowska-Kowalczyk, J., Kowalczyk, M., Ponczek, M.B., Pecio, L., Nowak, P. and Kolodziejczyk-Czepas, J (2021) 'Pulmonaria officinalis and Pulmonaria obscura Extracts as Mitigators of Peroxynitrite-Induced Oxidative Stress and Cyclooxygenase-2 Inhibitors - In Vitro and In Silico Studies', Molecules. doi:10.3390/molecules26030631 Traditional / reference
https://doi.org/10.3390/molecules26030631 - Krzyzanowska-Kowalczyk, J. and Pecio, L. and Moldoch, J. and Ludwiczuk, A. and Kowalczyk, M (2018) 'Novel Phenolic Constituents of Pulmonaria officinalis L. LC-MS/MS Comparison of Spring and Autumn Metabolite Profiles', Molecules, 23(9). doi:10.3390/molecules23092277 Traditional / reference
https://doi.org/10.3390/molecules23092277 - Krzyzanowska-Kowalczyk, J., Kolodziejczyk-Czepas, J., Kowalczyk, M., Pecio, L., Nowak, P. and Stochmal, A (2017) 'Yunnaneic Acid B, a Component of Pulmonaria officinalis Extract, Prevents Peroxynitrite-Induced Oxidative Stress in Vitro', Journal of Agricultural and Food Chemistry, 65(19), pp. 3827--3834. doi:10.1021/acs.jafc.7b00718 Preclinical
https://doi.org/10.1021/acs.jafc.7b00718
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.