Plant Comparison
Bearberry vs Bilberry
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
Bearberry and Bilberry: both belong to the Ericaceae family; they share 1 indicated use (skin irritation).
Evidence face-off — shared uses
| Condition | Bearberry | Bilberry | Verdict |
|---|---|---|---|
| Skin irritation | 1/10 | 5/10 | Stronger for Bilberry |
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
Hydroquinone glycoside; hydrolysed and excreted as antibacterial hydroquinone in the urine.
Up to ~20%; responsible for the astringency and for gastric irritation at high doses.
The deep blue-purple pigments; the principal antioxidant constituents.
Contribute to antioxidant and astringent activity.
Minor nutritive constituents of the berry.
Pharmacological Actions
Arbutin, the hydroquinone glucoside characteristic of bearberry (Arctostaphylos uva-ursi), shows antiproliferative and pro-apoptotic activity across multiple cancer types (preclinical).
Antibacterial in the urinary tract (arbutin is converted to antibacterial hydroquinone, favoured by alkaline urine); Urinary antiseptic for mild, uncomplicated lower urinary tract infection / cystitis (short-term)
Traditional & Indicated Uses
The bearberry constituent arbutin suppresses osteosarcoma proliferation, migration and invasion via miR-338-3p/MTHFD1L and AKT/mTOR inactivation, and has documented anticancer potential against bladder, breast, colon, liver and other cancers (preclinical).
Urinary antiseptic for mild, uncomplicated lower urinary tract infection / cystitis (short-term)
inferred from astringent action
inferred from urinary-antiseptic action
Antibacterial in the urinary tract (arbutin is converted to antibacterial hydroquinone, favoured by alkaline urine); Urinary antiseptic for mild, uncomplicated lower urinary tract infection / cystitis (short-term)
inferred from anti-inflammatory action
Supports cardiovascular and metabolic risk factors, including blood lipids (high cholesterol)
Traditional support for eye strain and vision (note: rigorous trials do NOT support improved night vision in healthy eyes)
Supports cardiovascular and metabolic risk factors, including blood lipids (high cholesterol)
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from venotonic action
Supports capillary integrity and venous tone (traditional use for varicose veins / chronic venous insufficiency)
Safety, Cautions & Contraindications
Short-term use only: not for more than 1 week at a time and not more than about 5 times per year. If symptoms persist beyond ~4 days, worsen, or are accompanied by fever, blood in the urine or pain, seek medical care.
Contraindicated in pregnancy and breastfeeding and not for use in children or adolescents under 18 years.
The berry is a food and generally very safe; long-term safety of concentrated high-dose extracts is less well characterised.
May lower blood sugar and has mild antiplatelet potential, so use cautiously alongside antidiabetic or anticoagulant/antiplatelet medication.
Claims that bilberry improves night vision in people with normal sight are not supported by rigorous clinical trials.
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Botanical Description
Low, mat-forming evergreen shrub with trailing, woody stems that root as they spread. The leaves are small, leathery, spatula-shaped (spoon-shaped), glossy dark green above and paler beneath, with a smooth, untoothed margin and a rounded tip. Small, urn-shaped, pink-and-white flowers hang in short clusters in spring, followed by bright red, mealy berries.[11]
Low, deciduous, much-branched shrub with sharply angled green stems and small, oval, finely toothed leaves. Small, pinkish-green, globe-shaped flowers are borne singly or in pairs, giving way to single, dark blue-black berries with a distinctive crowned top.[1]
Habitat
Grows on dry, acidic, sandy or rocky ground in open woodland, heath, moorland and mountain slopes across the northern hemisphere (Europe, Asia and North America), often in exposed, cold, upland or subarctic sites.[11]
Grows on acidic heaths, moorland and open coniferous woodland; native to Europe, northern Asia and North America.[1]
Harvesting
The leaves are gathered in autumn to early spring (outside the flowering and fruiting season), when arbutin content is at its highest, and dried carefully to preserve the glycoside.[11]
Berries are hand-picked or gathered with a berry rake when fully ripe in mid-to-late summer.
Traditional Uses
Bearberry leaf is a long-established European folk and official (EU herbal monograph) remedy for mild, uncomplicated lower urinary tract infections and cystitis, used short-term as a urinary antiseptic; it has also been used traditionally as an astringent for mild diarrhoea.[11]
Bilberry has a long European folk tradition as a food and remedy for diarrhoea, eye strain and circulatory complaints, with dried berry and standardized anthocyanin extracts studied for cardiovascular and metabolic support; claims of improved night vision in people with normal eyesight are not supported by rigorous clinical trials.[1, 14]
Preparations
Dried leaf macerated in cold water for several hours, which extracts less tannin (reducing gastric irritation) than a hot infusion; the preferred traditional preparation.
Dried leaf infused or lightly decocted in hot water; alkalinising the urine (e.g. with dietary measures) is traditionally recommended alongside use, since arbutin's antibacterial action requires alkaline urine.
Standardized anthocyanoside extract (commonly 25% anthocyanosides), used in circulatory and eye-health research.
Dosage
The EU herbal monograph describes traditional use of about 3 g dried leaf per cup, up to four times daily, for no more than one week at a time and no more than about five times a year. Educational reference only, not a prescription.
Clinical research commonly uses around 160-480 mg of standardized 25% anthocyanoside extract daily. Educational reference only, not a prescription.
References
Lookalikes Review
Dangerous Lookalikes
References & Sources
- Dell'Annunziata, F. and Cometa, S. and Della Marca, R. and Busto, F. and Folliero, V. and Franci, G. and Galdiero, M. and De Giglio, E. and De Filippis, A (2022) 'In Vitro Antibacterial and Anti-Inflammatory Activity of Arctostaphylos uva-ursi Leaf Extract against Cutibacterium acnes', Pharmaceutics, 14(9), pp. 1952. doi:10.3390/pharmaceutics14091952 Preclinical
https://doi.org/10.3390/pharmaceutics14091952 - de Arriba, S.G. and Naser, B. and Nolte, K.U (2013) 'Risk assessment of free hydroquinone derived from Arctostaphylos uva-ursi folium herbal preparations', International Journal of Toxicology, 32(6), pp. 442-453. doi:10.1177/1091581813507721 Preclinical
https://doi.org/10.1177/1091581813507721 - Kravchenko, G. and Krasilnikova, O. and Raal, A. and Mazen, M. and Chaika, N. and Kireyev, I. and Grytsyk, A. and Koshovyi, O (2022) 'Arctostaphylos uva-ursi L. leaves extract and its modified cysteine preparation for the management of insulin resistance: chemical analysis and bioactivity', Natural Products and Bioprospecting, 12(1), pp. 30. doi:10.1007/s13659-022-00352-1 Preclinical
https://doi.org/10.1007/s13659-022-00352-1 - Sugier, P. and Seczyk, L. and Sugier, D. and Krawczyk, R. and Wojcik, M. and Czarnecka, J. and Okon, S. and Plak, A (2021) 'Chemical Characteristics and Antioxidant Activity of Arctostaphylos uva-ursi L. Spreng. at the Southern Border of the Geographical Range of the Species in Europe', Molecules, 26(24), pp. 7692. doi:10.3390/molecules26247692 Preclinical
https://doi.org/10.3390/molecules26247692 - Sugier, P. and Seczyk, L. and Sugier, D (2022) 'Variation in Population and Solvents as Factors Determining the Chemical Composition and Antioxidant Potential of Arctostaphylos uva-ursi (L.) Spreng. Leaf Extracts', Molecules, 27(7), pp. 2247. doi:10.3390/molecules27072247 Preclinical
https://doi.org/10.3390/molecules27072247 - Panusa, A. and Petrucci, R. and Marrosu, G. and Multari, G. and Gallo, F.R (2015) 'UHPLC-PDA-ESI-TOF/MS metabolic profiling of Arctostaphylos pungens and Arctostaphylos uva-ursi. A comparative study of phenolic compounds from leaf methanolic extracts', Phytochemistry, 115, pp. 79-88. doi:10.1016/j.phytochem.2015.01.002 Preclinical
https://doi.org/10.1016/j.phytochem.2015.01.002 - Hudek Turkovic, A., Gunjaca, M., Marjanovic, M., Lovric, M., Butorac, A., Rasic, D., Peraica, M., Vujcic Bok, V., Sola, I., Rusak, G. and Durgo, K (2022) 'Proteome changes in human bladder T24 cells induced by hydroquinone derived from Arctostaphylos uva-ursi herbal preparation', Journal of Ethnopharmacology, pp. 2022. doi:10.1016/j.jep.2022.115092 Traditional / reference
https://doi.org/10.1016/j.jep.2022.115092 - Beaux, D. and Fleurentin, J. and Mortier, F (1999) 'Effect of extracts of Orthosiphon stamineus Benth, Hieracium pilosella L., Sambucus nigra L. and Arctostaphylos uva-ursi (L.) Spreng. in rats', Phytotherapy Research, 13(3), pp. 222-225. doi:10.1002/(SICI)1099-1573(199905)13:3<222::AID-PTR447>3.0.CO;2-P Preclinical
https://doi.org/10.1002/(SICI)1099-1573(199905)13:3<222::AID-PTR447>3.0.CO;2-P - Seczyk, L. and Sugier, D. and Sugier, P (2024) 'Effect of the Type of Herbal Preparations (Powdered Plant Material vs. Dry Ethanolic Extracts) on the Bioaccessibility of Bearberry (Arctostaphylos uva-ursi (L.) Spreng.) Phytochemicals in Simulated Digestion Conditions', Molecules, 29(24), pp. 5968. doi:10.3390/molecules29245968 Preclinical
https://doi.org/10.3390/molecules29245968 - Wrona, M. and Blasco, S. and Becerril, R. and Nerin, C. and Sales, E. and Asensio, E (2018) 'Antioxidant and antimicrobial markers by UPLC-ESI-Q-TOF-MS of a new multilayer active packaging based on Arctostaphylos uva-ursi', Talanta, 196, pp. 498-509. doi:10.1016/j.talanta.2018.12.057 Preclinical
https://doi.org/10.1016/j.talanta.2018.12.057 - European Medicines Agency (HMPC) (2018) 'European Union herbal monograph on Arctostaphylos uva-ursi (L.) Spreng., folium (Uvae ursi folium)'. Available at: https://www.ema.europa.eu/en/medicines/herbal/uvae-ursi-folium Traditional / reference
https://www.ema.europa.eu/en/medicines/herbal/uvae-ursi-folium - Braga, V.C.C., Pianetti, G.A. and Cesar, I.C (2020) 'Comparative stability of arbutin in Arctostaphylos uva-ursi by a new comprehensive stability-indicating HPLC method', Phytochemical Analysis, 31(6), pp. 884--891. doi:10.1002/pca.2953 Preclinical
https://doi.org/10.1002/pca.2953 - Qin, D., Liu, J., Guo, W., Ju, T., Fu, S., Liu, D. and Hu, G (2024) 'Arbutin alleviates intestinal colitis by regulating neutrophil extracellular traps formation and microbiota composition', Phytomedicine. doi:10.1016/j.phymed.2024.155741 Preclinical
https://doi.org/10.1016/j.phymed.2024.155741 - ESCOP (European Scientific Cooperative on Phytotherapy) (n.d.) 'Uvae ursi folium (Bearberry Leaf) monograph', pp. com. Available at: https://www.escop.com/downloads/bearberry-leaf/ Traditional / reference
https://www.escop.com/downloads/bearberry-leaf/ - Zhang, B., Zeng, M., Li, B., Kan, Y., Wang, S., Cao, B. and others (2021) 'Arbutin attenuates LPS-induced acute kidney injury by inhibiting inflammation and apoptosis via the PI3K/Akt/Nrf2 pathway', Phytomedicine. doi:10.1016/j.phymed.2021.153466 Preclinical
https://doi.org/10.1016/j.phymed.2021.153466 - Nahar, L. and Al-Groshi, A. and Kumar, A. and Sarker, S.D (2022) 'Arbutin: Occurrence in Plants, and Its Potential as an Anticancer Agent', Molecules, 27(24), pp. 8786. doi:10.3390/molecules27248786 Preclinical
https://doi.org/10.3390/molecules27248786 - Wang, C.-Q. and Wang, X.-M. and Li, B.-L. and Zhang, Y.-M. and Wang, L (2020) 'Arbutin suppresses osteosarcoma progression via miR-338-3p/MTHFD1L and inactivation of the AKT/mTOR pathway', FEBS Open Bio, 11(1), pp. 289-299. doi:10.1002/2211-5463.13024 Preclinical
https://doi.org/10.1002/2211-5463.13024 - Gagyor, I., Hummers, E., Schmiemann, G., Friede, T., Pfeiffer, S., Afshar, K. and Bleidorn, J (2021) 'Herbal treatment with uva ursi extract versus fosfomycin in women with uncomplicated urinary tract infection in primary care: a randomized controlled trial', Clinical Microbiology and Infection, 27(10), pp. 1441--1447. doi:10.1016/j.cmi.2021.05.032 Randomized trial
https://doi.org/10.1016/j.cmi.2021.05.032 - Moore, M., Trill, J., Simpson, C., Webley, F., Radford, M., Stanton, L. and others (2019) 'Uva-ursi extract and ibuprofen as alternative treatments for uncomplicated urinary tract infection in women (ATAFUTI): a factorial randomized trial', Clinical Microbiology and Infection, 25(8), pp. 973--980. doi:10.1016/j.cmi.2019.01.011 Randomized trial
https://doi.org/10.1016/j.cmi.2019.01.011 - ScienceDirect Topics (pharmacognosy) 'Arctostaphylos Uva-Ursi - an overview'. Available at: https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/arctostaphylos-uva-ursi Traditional / reference
https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/arctostaphylos-uva-ursi - North Carolina Extension Gardener Plant Toolbox 'Buxus sempervirens (Common Boxwood)'. Available at: https://plants.ces.ncsu.edu/plants/buxus-sempervirens/ Traditional / reference
https://plants.ces.ncsu.edu/plants/buxus-sempervirens/
- Canter, P.H. and Ernst, E (2004) 'Anthocyanosides of Vaccinium myrtillus (bilberry) for night vision - a systematic review of placebo-controlled trials', Survey of Ophthalmology. doi:10.1016/j.survophthal.2003.10.006 Meta-analysis / review
https://doi.org/10.1016/j.survophthal.2003.10.006 - Ulbricht, C., Basch, E., Basch, S., Bent, S. and others (2009) 'An evidence-based systematic review of bilberry (Vaccinium myrtillus) by the Natural Standard Research Collaboration', Journal of Dietary Supplements, 6(2), pp. 162-200. doi:10.1080/19390210902861858 Meta-analysis / review
https://doi.org/10.1080/19390210902861858 - Arevstrom, L., Bergh, C., Landberg, R., Wu, H. and others (2018) 'Freeze-dried bilberry (Vaccinium myrtillus) dietary supplement improves walking distance and lipids after myocardial infarction: an open-label randomized clinical trial', Nutrition Research, 62, pp. 13-22. doi:10.1016/j.nutres.2018.11.008 Randomized trial
https://doi.org/10.1016/j.nutres.2018.11.008 - Haga, S., YiMin, Yamaki, H., Jin, S. and others (2019) 'Extracts of bilberry (Vaccinium myrtillus L.) fruits improve liver steatosis and injury in mice by preventing lipid accumulation and cell death', Bioscience, Biotechnology, and Biochemistry, 83(11), pp. 2110-2120. doi:10.1080/09168451.2019.1634514 Preclinical
https://doi.org/10.1080/09168451.2019.1634514 - Neamtu, A.A., Szoke-Kovacs, R., Mihok, E., Georgescu, C. and others (2020) 'Bilberry (Vaccinium myrtillus L.) Extracts Comparative Analysis Regarding Their Phytonutrient Profiles, Antioxidant Capacity along with the In Vivo Rescue Effects Tested on a Drosophila melanogaster High-Sugar Diet Model', Antioxidants, 9(11), pp. 1067. doi:10.3390/antiox9111067 Preclinical
https://doi.org/10.3390/antiox9111067 - Gaspar, D.P., Lechtenberg, M. and Hensel, A (2021) 'Quality Assessment of Bilberry Fruits (Vaccinium myrtillus) and Bilberry-Containing Dietary Supplements', Journal of Agricultural and Food Chemistry, 69(7), pp. 2213-2225. doi:10.1021/acs.jafc.0c07784 Preclinical
https://doi.org/10.1021/acs.jafc.0c07784 - Dare, A.P., Gunther, C.S., Grey, A.C., Guo, G. and others (2021) 'Resolving the developmental distribution patterns of polyphenols and related primary metabolites in bilberry (Vaccinium myrtillus) fruit', Food Chemistry, 374, pp. 131703. doi:10.1016/j.foodchem.2021.131703 Preclinical
https://doi.org/10.1016/j.foodchem.2021.131703 - Prokop, J., Lnenickova, K., Cibicek, N., Kosina, P. and others (2019) 'Effect of bilberry extract (Vaccinium myrtillus L.) on drug-metabolizing enzymes in rats', Food and Chemical Toxicology, 129, pp. 382-390. doi:10.1016/j.fct.2019.04.051 Preclinical
https://doi.org/10.1016/j.fct.2019.04.051 - Pires, T.C.S.P., Dias, M.I., Calhelha, R.C., Alves, M.J. and others (2020) 'Development of new bilberry (Vaccinium myrtillus L.) based snacks: Nutritional, chemical and bioactive features', Food Chemistry, 334, pp. 127511. doi:10.1016/j.foodchem.2020.127511 Preclinical
https://doi.org/10.1016/j.foodchem.2020.127511 - Sharma, A. and Lee, H.J (2022) 'Anti-Inflammatory Activity of Bilberry (Vaccinium myrtillus L.)', Current Issues in Molecular Biology, 44(10), pp. 4570-4583. doi:10.3390/cimb44100313 Preclinical
https://doi.org/10.3390/cimb44100313 - Vanekova, Z. and Rollinger, J.M (2022) 'Bilberries: Curative and Miraculous - A Review on Bioactive Constituents and Clinical Research', Frontiers in Pharmacology, 13, pp. 909914. doi:10.3389/fphar.2022.909914 Clinical study
https://doi.org/10.3389/fphar.2022.909914 - Crespo, M.C. and Visioli, F (2017) 'A Brief Review of Blue- and Bilberries' Potential to Curb Cardio-Metabolic Perturbations: Focus on Diabetes', Current Pharmaceutical Design, 23(7), pp. 983-988. doi:10.2174/1381612822666161010120523 Preclinical
https://doi.org/10.2174/1381612822666161010120523 - Kopystecka, A., Koziol, I., Radomska, D., Bielawski, K., Bielawska, A. and Wujec, M (2023) 'Vaccinium uliginosum and Vaccinium myrtillus - Two Species One Used as a Functional Food', Nutrients, 15(19), pp. 4119. doi:10.3390/nu15194119 Preclinical
https://doi.org/10.3390/nu15194119 - Chan, S.W. and Tomlinson, B (2020) 'Effects of Bilberry Supplementation on Metabolic and Cardiovascular Disease Risk', Molecules. doi:10.3390/molecules25071653 Randomized trial
https://doi.org/10.3390/molecules25071653 - Kopcekova, J. and Mrazova, J (2022) 'Phytonutrients of bilberry fruit and saskatoon berry in the prevention and treatment of dyslipidemia', Roczniki Panstwowego Zakladu Higieny, 73(3), pp. 265--274. doi:10.32394/rpzh.2022.0216 Clinical study
https://doi.org/10.32394/rpzh.2022.0216 - Foraging Course Company 'Bilberry (Vaccinium myrtillus) Identification'. Available at: https://www.foragingcoursecompany.co.uk/post/foraging-guide-bilberry Traditional / reference
https://www.foragingcoursecompany.co.uk/post/foraging-guide-bilberry
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.