Plant Comparison
Mallow vs Willow Bark
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
Mallow and Willow Bark: they share 6 indicated uses (arthritis / joint pain, back pain, headache, …); 2 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Mallow | Willow Bark | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 1/10 | 7/10 | Stronger for Willow Bark |
| Back pain | 1/10 | 9/10 | Stronger for Willow Bark |
| Headache | 1/10 | 1/10 | Comparable evidence |
| Inflammation (general) | 2/10 | 8/10 | Stronger for Willow Bark |
| Pain (general) | 5/10 | 9/10 | Stronger for Willow Bark |
| Skin irritation | 2/10 | 8/10 | Stronger for Willow Bark |
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
The high mucilage content gives the demulcent, soothing action.
The blue-purple pigments and antioxidant constituents.
Phenolic constituents associated with antioxidant and reported antiproliferative (anticancer) activity in cell studies.
Metabolised in the body to salicylic acid - the 'natural aspirin' that gives the analgesic, anti-inflammatory and antipyretic effects.
Pharmacological Actions
Anti-inflammatory, analgesic and wound-healing (preclinical)
Antibacterial / antimicrobial (methanolic leaf extracts; the naphthoquinone Malvone A)
Demulcent for irritation of the mouth or throat and associated dry cough (soothing mucilage); Mild laxative for occasional constipation (mucilage; traditional)
Mild laxative for occasional constipation (mucilage; traditional)
Analgesic and anti-inflammatory for low back pain (moderate evidence; dose-dependent, around 240 mg salicin/day) - in an RCT, 240 mg salicin/day left 39% pain-free vs 6% on placebo within 4 weeks
Analgesic and anti-inflammatory for low back pain (moderate evidence; dose-dependent, around 240 mg salicin/day) - in an RCT, 240 mg salicin/day left 39% pain-free vs 6% on placebo within 4 weeks
Antipyretic (reduces fever)
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anticancer action
Mild laxative for occasional constipation (mucilage; traditional)
Demulcent for irritation of the mouth or throat and associated dry cough (soothing mucilage)
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from analgesic action
Soothes irritated and inflamed skin and mucous membranes
Relief of joint pain, osteoarthritis and rheumatic complaints
Analgesic and anti-inflammatory for low back pain (moderate evidence; dose-dependent, around 240 mg salicin/day) - in an RCT, 240 mg salicin/day left 39% pain-free vs 6% on placebo within 4 weeks
inferred from anti-inflammatory action
Analgesic and anti-inflammatory for low back pain (moderate evidence; dose-dependent, around 240 mg salicin/day) - in an RCT, 240 mg salicin/day left 39% pain-free vs 6% on placebo within 4 weeks; Relief of joint pain, osteoarthritis and rheumatic complaints
Safety, Cautions & Contraindications
Generally very well tolerated. Irritation of the mouth/throat or a cough that persists beyond about a week, or is accompanied by fever or breathlessness, needs medical assessment.
Use in pregnancy and breastfeeding is not recommended in the absence of adequate data.
Because it works like aspirin, avoid willow bark if you are allergic to aspirin or salicylates, and do NOT give it to children or teenagers with a viral illness (risk of Reye's syndrome). Use caution in asthma (salicylate sensitivity).
Avoid with anticoagulant/antiplatelet medicines (bleeding risk) and in active peptic ulcer; avoid in pregnancy (especially the third trimester) and breastfeeding.
External Ids
Botanical Description
Biennial or short-lived perennial herb, 30-120 cm tall, with erect or sprawling, branched, often reddish stems. Leaves are alternate, long-stalked and palmately lobed with 5-7 shallow rounded lobes and toothed margins. Flowers are pink-purple with darker veining, with five notch-tipped petals borne in small axillary clusters. The fruit is a flattened, disc-shaped schizocarp ('cheese') that splits into a ring of small single-seeded nutlets.[2]
Large deciduous tree (Salicaceae), 10-25 m tall (occasionally taller), fast-growing with a broad crown. Leaves are narrow and lance-shaped, silvery-white and silky-hairy beneath, giving the tree a shimmering appearance in the wind. Tiny flowers are borne in catkins appearing with the leaves in spring; the species is dioecious. The fruit is a small capsule releasing cottony-tufted seeds.[12]
Habitat
Common on roadsides, waste ground, hedgebanks and field margins across Europe, North Africa and temperate Asia, and widely naturalised elsewhere; tolerates a wide range of soils, favouring sunny, disturbed, nitrogen-rich sites.[2]
Native to Europe, western and central Asia and North Africa, growing on damp ground along riverbanks, floodplains and wet meadows; widely planted and naturalised elsewhere.[12]
Harvesting
Leaves and flowers are gathered during the flowering period (summer) and dried quickly out of direct sun to preserve their mucilage content; fresh material can also be used directly for infusions or poultices.[11]
Bark is stripped from young branches (2-3-year-old growth is preferred, as salicin content is highest in younger bark) in spring, when the rising sap makes the bark peel most easily, then dried.[12]
Traditional Uses
Mallow leaf and flower have a long ethnobotanical history across Europe as a demulcent for irritated mucous membranes - soothing coughs, sore throat and mouth irritation - and for occasional constipation and skin irritation, reflecting the mucilage-rich leaf and flower. Modern phytochemical and pharmacological work confirms antioxidant, anti-inflammatory, antimicrobial and wound-healing activity of its extracts.[2, 11]
Willow bark has one of the longest documented histories of any medicinal plant, used since antiquity (recorded by Hippocrates) as a remedy for pain and fever. Its salicin content, chemically related to aspirin, gives it official European herbal-monograph recognition for mild joint pain, headache and feverish colds, with modern clinical trials supporting benefit for low back pain.[11, 12]
Preparations
Dosage
EMA herbal-monograph guidance suggests roughly 1.5-2 g of dried leaf or flower per cup, taken as an infusion up to 3 times daily. Educational reference only, not a prescription.
Clinical trials for back pain have used around 240 mg salicin/day of standardised extract. Educational reference only, not a prescription; avoid if allergic to aspirin/salicylates, in children/teenagers with a viral illness (Reye's syndrome risk), or alongside anticoagulants.
References
Lookalikes Review
References & Sources
- Mousavi, S.M., Hashemi, S.A., Behbudi, G., Mazraedoost, S. and others (2021) 'A Review on Health Benefits of Malva sylvestris L. Nutritional Compounds for Metabolites, Antioxidants, and Anti-Inflammatory, Anticancer, and Antimicrobial Applications', Evidence-Based Complementary and Alternative Medicine, 2021, pp. 5548404. doi:10.1155/2021/5548404 Meta-analysis / review
https://doi.org/10.1155/2021/5548404 - Gasparetto, J.C., Martins, C.A., Hayashi, S.S., Otuky, M.F. and others (2012) 'Ethnobotanical and scientific aspects of Malva sylvestris L.: a millennial herbal medicine', Journal of Pharmacy and Pharmacology, 64(2), pp. 172-189. doi:10.1111/j.2042-7158.2011.01383.x Meta-analysis / review
https://doi.org/10.1111/j.2042-7158.2011.01383.x - Wu, Y., Qiu, A., Yang, Z., Wu, J. and others (2019) 'Malva sylvestris extract alleviates the astrogliosis and inflammatory stress in LPS-induced depression mice', Journal of Neuroimmunology, 336, pp. 577029. doi:10.1016/j.jneuroim.2019.577029 Preclinical
https://doi.org/10.1016/j.jneuroim.2019.577029 - Ben Saad, A., Rjeibi, I., Brahmi, D., Smida, A. and others (2016) 'Malva sylvestris extract protects upon lithium carbonate-induced kidney damages in male rat', Biomedicine & Pharmacotherapy, 84, pp. 1099-1107. doi:10.1016/j.biopha.2016.10.026 Preclinical
https://doi.org/10.1016/j.biopha.2016.10.026 - Zuo, H., Li, Y., Cui, Y. and An, Y (2017) 'Cardioprotective effect of Malva sylvestris L. in myocardial ischemic/reperfused rats', Biomedicine & Pharmacotherapy, 95, pp. 679-684. doi:10.1016/j.biopha.2017.08.111 Preclinical
https://doi.org/10.1016/j.biopha.2017.08.111 - Benso, B., Rosalen, P.L., Alencar, S.M. and Murata, R.M (2015) 'Malva sylvestris Inhibits Inflammatory Response in Oral Human Cells. An In Vitro Infection Model', PLoS One, 10(10), pp. e0140331. doi:10.1371/journal.pone.0140331 Preclinical
https://doi.org/10.1371/journal.pone.0140331 - Prudente, A.S., Sponchiado, G., Mendes, D.A.G.B., Soley, B.S. and others (2017) 'Pre-clinical efficacy assessment of Malva sylvestris on chronic skin inflammation', Biomedicine & Pharmacotherapy, 93, pp. 852-860. doi:10.1016/j.biopha.2017.06.083 Preclinical
https://doi.org/10.1016/j.biopha.2017.06.083 - Mohaghegh, Z., Golfakhrabadi, F., Faal Siahkal, S., Dastoorpoor, M. and others (2022) 'The Effect of Malva sylvestris Cream on Episiotomy Pain and Healing: A Randomized Controlled Clinical Trial', International Journal of Community Based Nursing and Midwifery, 10(4), pp. 248-258. doi:10.30476/IJCBNM.2022.95772.2082 Randomized trial
https://doi.org/10.30476/IJCBNM.2022.95772.2082 - Areesanan, A., Nicolay, S., Keller, M., Zimmermann-Klemd, A.M. and others (2023) 'Potential benefits of Malva sylvestris in dry-eye disease pathology in vitro based on antioxidant, wound-healing and anti-inflammatory properties', Biomedicine & Pharmacotherapy, 168, pp. 115782. doi:10.1016/j.biopha.2023.115782 Preclinical
https://doi.org/10.1016/j.biopha.2023.115782 - Martins, C.A., Weffort-Santos, A.M., Gasparetto, J.C., Trindade, A.C. and others (2014) 'Malva sylvestris L. extract suppresses desferrioxamine-induced PGE2 and PGD2 release in differentiated U937 cells', Biomedical Chromatography, 28(7), pp. 986-993. doi:10.1002/bmc.3106 Preclinical
https://doi.org/10.1002/bmc.3106 - European Medicines Agency (HMPC) (n.d.) 'European Union herbal monograph on Malva sylvestris L., folium and flos (Malvae folium / Malvae sylvestris flos)'. Available at: https://www.ema.europa.eu/en/medicines/herbal/malvae-folium Traditional / reference
https://www.ema.europa.eu/en/medicines/herbal/malvae-folium - Paul, Z.A. and Malla, A.T. and Dar, M.A. and Masoodi, M.H (2024) 'Phytochemistry and Pharmacological Activity of Malva sylvestris L.: A Detailed Insight', Combinatorial Chemistry & High Throughput Screening, 27(16), pp. 2309--2322. doi:10.2174/0113862073269336231009110313 Traditional / reference
https://doi.org/10.2174/0113862073269336231009110313 - Batiha, G.E. and Tene, S.T. and Teibo, J.O. and Shaheen, H.M. and Oluwatoba, O.S. and Teibo, T.K.A. and Al-Kuraishy, H.M. and Al-Garbee, A.I. and Alexiou, A. and Papadakis, M (2022) 'The phytochemical profiling, pharmacological activities, and safety of Malva sylvestris: a review', Naunyn-Schmiedeberg's Archives of Pharmacology, 396(3), pp. 421--440. doi:10.1007/s00210-022-02329-w Traditional / reference
https://doi.org/10.1007/s00210-022-02329-w
- Shara, M. and Stohs, S.J (2015) 'Efficacy and Safety of White Willow Bark (Salix alba) Extracts', Phytotherapy Research, 29(8), pp. 1112-1116. doi:10.1002/ptr.5377 Meta-analysis / review
https://doi.org/10.1002/ptr.5377 - Maistro, E.L., Terrazzas, P.M., Perazzo, F.F., Gaivao, I.O.M. and others (2020) 'Salix alba (white willow) medicinal plant presents genotoxic effects in human cultured leukocytes', Journal of Toxicology and Environmental Health, Part A, 82(23-24), pp. 1223-1234. doi:10.1080/15287394.2019.1711476 Preclinical
https://doi.org/10.1080/15287394.2019.1711476 - Matyjaszczyk, E. and Schumann, R. (EU-FORA) (2018) 'Risk assessment of white willow (Salix alba) in food', EFSA Journal, 16(Suppl 1), pp. e16081. doi:10.2903/j.efsa.2018.e16081 Meta-analysis / review
https://doi.org/10.2903/j.efsa.2018.e16081 - Phillips, H.N., Sharpe, K.T., Endres, M.I. and Heins, B.J (2021) 'Effects of oral white willow bark (Salix alba) and intravenous flunixin meglumine on prostaglandin E2 in healthy dairy calves', JDS Communications, 3(1), pp. 49-54. doi:10.3168/jdsc.2021-0138 Preclinical
https://doi.org/10.3168/jdsc.2021-0138 - Kong, C.S., Kim, K.H., Choi, J.S., Kim, J.E. and others (2014) 'Salicin, an extract from white willow bark, inhibits angiogenesis by blocking the ROS-ERK pathways', Phytotherapy Research, 28(8), pp. 1246-1251. doi:10.1002/ptr.5126 Preclinical
https://doi.org/10.1002/ptr.5126 - Noleto-Dias, C., Ward, J.L., Bellisai, A., Lomax, C. and Beale, M.H (2018) 'Salicin-7-sulfate: A new salicinoid from willow and implications for herbal medicine', Fitoterapia, 127, pp. 166-172. doi:10.1016/j.fitote.2018.02.009 Preclinical
https://doi.org/10.1016/j.fitote.2018.02.009 - Wolfle, U., Haarhaus, B., Kersten, A., Fiebich, B. and others (2015) 'Salicin from Willow Bark can Modulate Neurite Outgrowth in Human Neuroblastoma SH-SY5Y Cells', Phytotherapy Research, 29(10), pp. 1494-1500. doi:10.1002/ptr.5400 Preclinical
https://doi.org/10.1002/ptr.5400 - Gagnier, J.J., van Tulder, M., Berman, B. and Bombardier, C (2006) 'Herbal medicine for low back pain (Cochrane review)', Cochrane Database of Systematic Reviews, (2), pp. CD004504. doi:10.1002/14651858.CD004504.pub3 Meta-analysis / review
https://doi.org/10.1002/14651858.CD004504.pub3 - Oltean, H., Robbins, C., van Tulder, M.W., Berman, B.M. and others (2014) 'Herbal medicine for low-back pain (Cochrane review update)', Cochrane Database of Systematic Reviews, 2014(12), pp. CD004504. doi:10.1002/14651858.CD004504.pub4 Meta-analysis / review
https://doi.org/10.1002/14651858.CD004504.pub4 - Amel Zabihi, N., Mahmoudabady, M., Soukhtanloo, M., Hayatdavoudi, P. and others (2018) 'Salix alba attenuated oxidative stress in the heart and kidney of hypercholesterolemic rabbits', Avicenna Journal of Phytomedicine, 8(1), pp. 63-72. Preclinical
https://scholar.google.com/scholar?q=Salix%20alba%20attenuated%20oxidative%20stress%20in%20the%20heart%20and%20kidney%20of%20hypercholesterolemic%20rabbits - Vlachojannis, J.E., Cameron, M. and Chrubasik, S (2009) 'A systematic review on the effectiveness of willow bark for musculoskeletal pain', Phytotherapy Research. doi:10.1002/ptr.2747 Meta-analysis / review
https://doi.org/10.1002/ptr.2747 - European Medicines Agency (HMPC) (n.d.) 'European Union herbal monograph on Salix [various species], cortex (Salicis cortex)'. Available at: https://www.ema.europa.eu/en/medicines/herbal/salicis-cortex Traditional / reference
https://www.ema.europa.eu/en/medicines/herbal/salicis-cortex - Chrubasik, S., Eisenberg, E., Balan, E., Weinberger, T., Luzzati, R. and Conradt, C (2000) 'Treatment of low back pain exacerbations with willow bark extract: a randomized double-blind study', The American Journal of Medicine, 109(1), pp. 9--14. doi:10.1016/S0002-9343(00)00442-3 Randomized trial
https://doi.org/10.1016/S0002-9343(00)00442-3
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.