Plant Comparison
Labrador-tea vs Elder
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
Labrador-tea and Elder: they share 4 indicated uses (arthritis / joint pain, inflammation (general), respiratory support, …); 2 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Labrador-tea | Elder | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 2/10 | 5/10 | Stronger for Elder |
| Inflammation (general) | 1/10 | 5/10 | Stronger for Elder |
| Respiratory support | 1/10 | 8/10 | Stronger for Elder |
| Skin irritation | 1/10 | 5/10 | Stronger for Elder |
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
Ledol is the characteristic, mildly toxic sesquiterpene alcohol of the leaf, particularly concentrated in fresh material.
Toxic diterpenes shared with related Ericaceae; the basis for the caution around excessive or prolonged use.
Give the ripe berries their deep colour and much of their antioxidant activity.
Found in both flower and berry, contributing antioxidant and anti-inflammatory activity.
Present in raw berries, leaves, bark and stems; the basis for the caution to always cook berries before eating and avoid raw plant material.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from diuretic action
inferred from diuretic action
inferred from anti-inflammatory action
inferred from antiviral action
inferred from anti-inflammatory action
Safety, Cautions & Contraindications
Labrador tea contains ledol, a toxic sesquiterpene alcohol, particularly concentrated in fresh leaves. Excessive consumption can cause dizziness, headache, nausea, and even toxicity (especially in the related Ledum palustre). Use only in small, controlled amounts. Not recommended during pregnancy or breastfeeding. Identify plant correctly — confusion with other bog plants can be dangerous.
Duke (2002) rates Labrador tea as + (caution warranted) and notes primarily folkloric activities, with the plant acting as a diuretic, expectorant, and vulnerary. Importantly, Duke classifies it as having narcotic and deliriant potential — large doses can cause intoxication, hallucinations, and toxicity. It contains ericolin and ledol, which are potentially neurotoxic compounds. Duke emphasizes that Labrador tea should be used only with caution and at low doses, and notes that it is not appropriate for regular internal use given its toxicity profile at higher amounts (Duke, 2002).
The dark blue or purple berries are mildly poisonous in their raw state, but are edible after cooking.https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-nccih-26https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-Fagan-2019-28 Components of the elderberry plant, including its fruit, contain diverse https://en.wikipedia.org/wiki/Phytochemical, such as https://en.wikipedia.org/wiki/Alkaloid, https://en.wikipedia.org/wiki/Lectin, and cyanogenic glycosides, which may be toxic if consumed raw.https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-drugs-8 Consumption of berries, leaves, bark or stems, if not properly prepared, may cause https://en.wikipedia.org/wiki/Nausea, vomiting, and severe https://en.wikipedia.org/wiki/Diarrhea.https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-nccih-26https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-drugs-8https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-msk-27 Elderberry plant constituents or products should not be consumed during pregnancy or by people with https://en.wikipedia.org/wiki/Allergy or https://en.wikipedia.org/wiki/Gastrointestinal_disease.https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-drugs-8https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-msk-27 Elderberry products may cause https://en.wikipedia.org/wiki/Adverse_effect when used with https://en.wikipedia.org/wiki/Prescription_drug.https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-drugs-8https://en.wikipedia.org/wiki/Sambucus_nigra#cite_note-msk-27
Duke (2002) rates elderflower and elderberry as +++ with clinical evidence (score 2) for bronchostimulant, diaphoretic, and secretagogue activities, consistent with Commission E approval. Clinical use for colds, bronchitis, and fever is well-supported. Dose: dried flower: 3–5 g as tea three times daily. Important safety consideration: raw elderberries and elder bark contain sambunigrin (cyanogenic glycoside) and lectins — always cook berries before consumption, and avoid bark preparations for medicinal use without expert guidance (Duke, 2002).
External Ids
Botanical Description
Low evergreen shrub (Ericaceae), 30-100 cm tall. Leaves are narrow, leathery, with in-rolled margins and a dense, rust-coloured, woolly felt on the underside, strongly aromatic when crushed. Small white flowers are borne in terminal clusters.[4]
Deciduous shrub or small tree (Adoxaceae), 3-10 m tall (occasionally larger), with corky, furrowed grey-brown bark. Leaves are pinnate with 5-7 toothed leaflets. Abundant flat-topped clusters (corymbs) of small, fragrant, creamy-white flowers are followed by drooping clusters of small, glossy, purple-black berries.[11]
Habitat
Native throughout Europe, western Asia and North Africa, extremely common in hedgerows, woodland edges, waste ground and disturbed sites, tolerating a wide range of soils.[11]
Harvesting
Leaves and young stems are gathered, traditionally in late summer, and dried. Only small amounts are used given the plant's ledol/grayanotoxin content, and correct identification against toxic bog look-alikes (bog rosemary) is essential.[6]
Flowers are picked in full bloom (late spring/early summer), ideally on a dry day, and dried quickly. Berries are picked in late summer/early autumn once fully ripe (deep purple-black) and always cooked before use, as raw berries - and all other parts of the plant - contain cyanogenic glycosides and should not be eaten raw.[11]
Traditional Uses
Labrador tea has a long Indigenous North American and Scandinavian folk-medicine tradition as a mild diuretic and respiratory remedy, and as an aromatic tea and spice, always used in small, cautious amounts given its narcotic/toxic potential at higher doses. Modern phytochemical work confirms anti-inflammatory and antioxidant activity of its essential oil.[1]
Elder has one of the most celebrated European folk-medicine reputations, described as a 'medicine chest' of the countryside. The flowers have official European herbal-monograph use for symptoms of the common cold, and the berries - cooked, or as a standardised extract - are widely used and clinically studied for upper respiratory and flu-like symptoms.[2, 11]
Preparations
Dried flower steeped in hot water - the classic cold and flu remedy.
Cooked, sweetened berry preparation - the most widely used commercial and traditional form for immune and cold support.
The concentrated form used in influenza clinical trials.
Dosage
Duke (2002) advises using Labrador tea only with caution and at low doses given its narcotic/deliriant potential at higher amounts; it is not appropriate for regular internal use. Educational reference only, not a prescription - use only small, occasional amounts of properly identified leaf.
References
Lookalikes Review
Dangerous Lookalikes
References & Sources
- Dampc, A. and Luczkiewicz, M (2013) 'Rhododendron tomentosum (Ledum palustre): a review of traditional use based on current research', pp. 130--143. Traditional / reference
https://scholar.google.com/scholar?q=Rhododendron%20tomentosum%20%28Ledum%20palustre%29%3A%20a%20review%20of%20traditional%20use%20based%20on%20current%20research - Jesionek, A., Kokotkiewicz, A., Mikosik-Roczynska, A., Ciesielska-Figlon, K. and others (2019) 'Chemical variability of Rhododendron tomentosum (Ledum palustre) essential oils and their pro-apoptotic effect on lymphocytes and rheumatoid arthritis synoviocytes', Fitoterapia, 139, pp. 104402. doi:10.1016/j.fitote.2019.104402 Preclinical
https://doi.org/10.1016/j.fitote.2019.104402 - Kang, J.Y., Tran, K.D., Seiff, S.R., Mack, W.P. and Lee, W.W (2017) 'Assessing the Effectiveness of Arnica montana and Rhododendron tomentosum (Ledum palustre) in the Reduction of Ecchymosis and Edema After Oculofacial Surgery: Preliminary Results', Ophthalmic Plastic and Reconstructive Surgery, 33(1), pp. 47-52. doi:10.1097/IOP.0000000000000645 Clinical study
https://doi.org/10.1097/IOP.0000000000000645 - Vengryte, M. and Raudone, L (2024) 'Phytochemical Profiling and Biological Activities of Rhododendron subsect. Ledum: Discovering the Medicinal Potential of Labrador Tea Species in the Northern Hemisphere', Plants (Basel), 13(6), pp. 901. doi:10.3390/plants13060901 Traditional / reference
https://doi.org/10.3390/plants13060901 - Iunusova, D.R., Polezhaeva, M.A. and Marchuk, E.A (2024) 'Confusing boundaries of the Labrador tea species: dispersal history explains the lack of clear species structure', Annals of Botany, 134(6), pp. 959-974. doi:10.1093/aob/mcae130 Preclinical
https://doi.org/10.1093/aob/mcae130 - Dampc, A. and Luczkiewicz, M (2014) 'Labrador tea - the aromatic beverage and spice: a review of origin, processing and safety', Journal of the Science of Food and Agriculture, 95(8), pp. 1577-1583. doi:10.1002/jsfa.6889 Traditional / reference
https://doi.org/10.1002/jsfa.6889 - Jaenson, T.G.T., Palsson, K. and Borg-Karlson, A.K (2005) 'Evaluation of extracts and oils of tick-repellent plants from Sweden', Medical and Veterinary Entomology, 19(4), pp. 345-352. doi:10.1111/j.1365-2915.2005.00578.x Preclinical
https://doi.org/10.1111/j.1365-2915.2005.00578.x - Tattje, D.H.E. and Bos, R (1981) 'Composition of essential oil of Ledum palustre', Planta Medica, 41(3), pp. 303-307. doi:10.1055/s-2007-971719 Preclinical
https://doi.org/10.1055/s-2007-971719 - Zhang, K., Wang, J., Chen, L., Li, J. and others (2019) 'Two new taraxerane-type triterpenes from Ledum palustre L', Natural Product Research, 34(19), pp. 2723-2728. doi:10.1080/14786419.2019.1586689 Preclinical
https://doi.org/10.1080/14786419.2019.1586689 - Islam, M.N., Khalil, M.I., Islam, M.A. and Gan, S.H (2013) 'Toxic compounds in honey', Journal of Applied Toxicology, 34(7), pp. 733-742. doi:10.1002/jat.2952 Traditional / reference
https://doi.org/10.1002/jat.2952 - Baananou, S., Bagdonaite, E., Marongiu, B., Piras, A. and others (2014) 'Supercritical CO2 extract and essential oil of aerial part of Ledum palustre L. - Chemical composition and anti-inflammatory activity', Natural Product Research, 29(11), pp. 999-1005. doi:10.1080/14786419.2014.965167 Preclinical
https://doi.org/10.1080/14786419.2014.965167 - Grieve, M (1931) 'A Modern Herbal'. Traditional / reference
https://scholar.google.com/scholar?q=A%20Modern%20Herbal - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - 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 - Kirtley, Paul (2015) 'Labrador Tea - Tonic or Toxic?'. Available at: https://paulkirtley.co.uk/2015/labrador-tea-tonic-or-toxic/ Traditional / reference
https://paulkirtley.co.uk/2015/labrador-tea-tonic-or-toxic/ - Jiang, L. and Zhanxiong, L. and Fengcai, Y. and Fuli, L. and Xiaoling, S (2022) 'Third-degree atrioventricular block caused by intoxication with rhododendron leaves', Annals of Noninvasive Electrocardiology, 28(2), pp. e13012. doi:10.1111/anec.13012 Clinical study
https://doi.org/10.1111/anec.13012
- Liu, D., He, X.Q., Wu, D.T., Li, H.B. and others (2022) 'Elderberry (Sambucus nigra L.): Bioactive Compounds, Health Functions, and Applications', Journal of Agricultural and Food Chemistry, 70(14), pp. 4202-4220. doi:10.1021/acs.jafc.2c00010 Traditional / reference
https://doi.org/10.1021/acs.jafc.2c00010 - Hawkins, J., Baker, C., Cherry, L. and Dunne, E (2018) 'Black elderberry (Sambucus nigra) supplementation effectively treats upper respiratory symptoms: A meta-analysis of randomized, controlled clinical trials', Complementary Therapies in Medicine, 42, pp. 361-365. doi:10.1016/j.ctim.2018.12.004 Meta-analysis / review
https://doi.org/10.1016/j.ctim.2018.12.004 - Uhl, K. and Mitchell, A.E (2024) 'Elderberry, an Ancient Remedy: A Comprehensive Study of the Bioactive Compounds in Three Sambucus nigra L. Subspecies', Annual Review of Food Science and Technology, 15(1), pp. 27-51. doi:10.1146/annurev-food-072023-034423 Traditional / reference
https://doi.org/10.1146/annurev-food-072023-034423 - Asgary, S. and Pouramini, A (2022) 'The Pros and Cons of Using Elderberry (Sambucus nigra) for Prevention and Treatment of COVID-19', Advanced Biomedical Research, 11, pp. 96. doi:10.4103/abr.abr_146_21 Traditional / reference
https://doi.org/10.4103/abr.abr_146_21 - Ferreira, S.S., Martins-Gomes, C., Nunes, F.M. and Silva, A.M (2022) 'Elderberry (Sambucus nigra L.) extracts promote anti-inflammatory and cellular antioxidant activity', Food Chemistry: X, 15, pp. 100437. doi:10.1016/j.fochx.2022.100437 Preclinical
https://doi.org/10.1016/j.fochx.2022.100437 - Dominguez, R., Pateiro, M., Munekata, P.E.S., Santos Lopez, E.M. and others (2021) 'Potential Use of Elderberry (Sambucus nigra L.) as Natural Colorant and Antioxidant in the Food Industry. A Review', Foods, 10(11), pp. 2713. doi:10.3390/foods10112713 Traditional / reference
https://doi.org/10.3390/foods10112713 - Sanlier, N., Ejder, Z.B. and Irmak, E (2024) 'Are the Effects of Bioactive Components on Human Health a Myth?: Black Elderberry (Sambucus nigra L.) from Exotic Fruits', Current Nutrition Reports, 13(4), pp. 815-827. doi:10.1007/s13668-024-00572-6 Traditional / reference
https://doi.org/10.1007/s13668-024-00572-6 - Ulbricht, C., Basch, E., Cheung, L., Goldberg, H. and others (2014) 'An evidence-based systematic review of elderberry and elderflower (Sambucus nigra) by the Natural Standard Research Collaboration', Journal of Dietary Supplements, 11(1), pp. 80-120. doi:10.3109/19390211.2013.859852 Meta-analysis / review
https://doi.org/10.3109/19390211.2013.859852 - Has, I.M., Teleky, B.E., Szabo, K., Simon, E. and others (2023) 'Bioactive Potential of Elderberry (Sambucus nigra L.): Antioxidant, Antimicrobial Activity, Bioaccessibility and Prebiotic Potential', Molecules, 28(7), pp. 3099. doi:10.3390/molecules28073099 Preclinical
https://doi.org/10.3390/molecules28073099 - Kim, J., An, J., Song, Y., Jang, M. and others (2024) 'Effect of Elderberry (Sambucus nigra L.) Extract Intake on Normalizing Testosterone Concentration in Testosterone Deficiency Syndrome Rat Model Through Regulation of 17beta-HSD, 5alpha-Reductase, and CYP19A1 Expression', Nutrients, 16(23), pp. 4169. doi:10.3390/nu16234169 Preclinical
https://doi.org/10.3390/nu16234169 - European Medicines Agency (2018) 'European Union herbal monograph on Sambucus nigra L., flos'. Traditional / reference
https://scholar.google.com/scholar?q=European%20Union%20herbal%20monograph%20on%20Sambucus%20nigra%20L.%2C%20flos - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - Zakay-Rones, Z., Thom, E., Wollan, T. and Wadstein, J (2004) 'Randomized study of the efficacy and safety of oral elderberry extract in the treatment of influenza A and B virus infections', 32(2), pp. 132--140. doi:10.1177/147323000403200205 Randomized trial
https://doi.org/10.1177/147323000403200205 - 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 - Jimenez, P. and Gayoso, M. and Tejero, J. and Cabrero, P. and Cordoba-Diaz, D. and Basterrechea, J.E. and Girbes, T (2012) 'Toxicity in mice of lectin ebulin f present in dwarf elderberry (Sambucus ebulus L.)', Toxicon, 61, pp. 26-9. doi:10.1016/j.toxicon.2012.10.009 Preclinical
https://doi.org/10.1016/j.toxicon.2012.10.009 - Botanical Society of Britain and Ireland (2023) 'Sambucus ebulus L., dwarf elder (Fermanagh species accounts)'. Available at: https://bsbi.org/in-your-area/local-botany/co-fermanagh/fermanagh-species-accounts/sambucus-ebulus-l Traditional / reference
https://bsbi.org/in-your-area/local-botany/co-fermanagh/fermanagh-species-accounts/sambucus-ebulus-l - Botanical-online (2024) 'Differences between elder and dwarf elder (Sambucus nigra vs Sambucus ebulus)'. Available at: https://www.botanical-online.com/en/botany/differences-sambucus-nigra-ebulus Traditional / reference
https://www.botanical-online.com/en/botany/differences-sambucus-nigra-ebulus
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.