Plant Comparison
Pygeum vs Common Sorrel
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
Pygeum and Common Sorrel: they share 5 indicated uses (arthritis / joint pain, inflammation (general), skin irritation, …); 1 pharmacological action in common.
Evidence face-off — shared uses
| Condition | Pygeum | Common Sorrel | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 5/10 | 1/10 | Stronger for Pygeum |
| Inflammation (general) | 2/10 | 2/10 | Comparable evidence |
| Skin irritation | 5/10 | 1/10 | Stronger for Pygeum |
| Urinary support | 10/10 | 1/10 | Stronger for Pygeum |
| Urinary tract infection (UTI) | 9/10 | 1/10 | Stronger for Pygeum |
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
Gives the leaf its characteristic sour taste; the basis for the caution around kidney stones and mineral absorption at high intakes.
Minor constituents typical of the Rumex genus, studied alongside other isolated compounds for antibacterial activity against Helicobacter pylori.
The basis for the plant's traditional antiscorbutic (anti-scurvy) reputation.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anti-inflammatory action
Supports lower urinary tract symptoms of benign prostatic hyperplasia (BPH) - a Cochrane meta-analysis of 18 RCTs (1562 men) found a moderate improvement in urinary symptoms and flow versus placebo, but the trials were small, short and methodologically weak, so the evidence remains uncertain
inferred from anti-inflammatory action
Supports lower urinary tract symptoms of benign prostatic hyperplasia (BPH) - a Cochrane meta-analysis of 18 RCTs (1562 men) found a moderate improvement in urinary symptoms and flow versus placebo, but the trials were small, short and methodologically weak, so the evidence remains uncertain
Supports lower urinary tract symptoms of benign prostatic hyperplasia (BPH) - a Cochrane meta-analysis of 18 RCTs (1562 men) found a moderate improvement in urinary symptoms and flow versus placebo, but the trials were small, short and methodologically weak, so the evidence remains uncertain
inferred from anti-inflammatory action
inferred from digestive action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from diuretic action
inferred from diuretic action
inferred from diuretic action
Safety, Cautions & Contraindications
Lower urinary tract / prostate symptoms must be medically assessed first to exclude prostate cancer. The evidence is mixed and rests on small, short, methodologically weak trials, so men with moderate or severe BPH should not rely on it instead of proven treatment.
Generally well tolerated, with mild gastrointestinal effects the most common report.
High in oxalates (the sour taste): Large, frequent amounts can be a bad idea if you’re prone to kidney or bladder stones, or certain “rheumatic-type” complaints (Royal Botanic Gardens, Kew, n.d.). Moderation matters: Measured oxalate levels in leaves can be high, and researchers recommend treating sorrel more like an occasional delicacy than a daily staple (Tuazon-Nartea & Savage, 2013). Mineral binding: Oxalic acid can reduce how much calcium you absorb from a meal (Tuazon-Nartea & Savage, 2013). Sensitive stomach/mouth: Very sour leaves can irritate some people (common-sense caution; strongest source is the oxalate discussion above). Pregnancy/lactation: As a normal food herb in culinary amounts is generally considered fine, but avoid high-dose “medicinal” use because safety data are limited (Bello et al., 2019). Foraging safety (important): Sorrel can accumulate heavy metals depending on where it grows; avoid harvesting near roads/industrial areas (Gawęda, 2009).
Duke (2002) rates sorrel as ++ and notes diuretic, antiscorbutic (high vitamin C), and depurative activities at experimental and folkloric levels. The plant is traditionally used for anemia, fever, and scurvy prevention. High oxalic acid content is an important consideration — excessive consumption can promote kidney stone formation (oxalate stones) and may be harmful in individuals with gout or existing kidney disease. Duke advises limiting medicinal use and avoiding in those with a history of calcium oxalate kidney stones (Duke, 2002).
External Ids
Botanical Description
Evergreen tree (Rosaceae), 10-30 m tall, with dark, fissured, red-brown bark (the source of the common name 'red stinkwood', from its unpleasant smell when cut). Leaves are glossy dark green, leathery, oblong with finely toothed margins. Small white, five-petalled flowers are borne in axillary racemes, followed by small reddish-brown, two-lobed fruit.
Perennial herb (Polygonaceae), 30-100 cm tall, with erect, often reddish, ridged flowering stems. Basal leaves are arrow- (hastate-) shaped with backward-pointing basal lobes, and sour-tasting from oxalic acid content. Tiny reddish-brown flowers are borne in narrow, branched spikes; the species is dioecious, with separate male and female plants.[11]
Habitat
Native to montane forests of central and southern Africa (and Madagascar), growing at moderate to high altitude (roughly 900-3400 m). The species is CITES-listed and conservation-threatened owing to over-harvesting of bark for the pharmaceutical trade.
Native throughout Europe and temperate Asia, common in meadows, grassland, pastures and roadside verges on a wide range of soils, tolerating both damp and dry ground.[11]
Harvesting
Bark is traditionally stripped from mature trees. Unsustainable stripping - especially removing bark all the way round the trunk - kills the tree and has driven population decline, so sustainable, partial and rotational bark harvesting or cultivated sources are recommended.
Leaves are gathered fresh in spring and early summer, before flowering, when they are most tender and least bitter. Avoid harvesting near roads or industrial areas, given the plant's tendency to accumulate heavy metals.[11]
Traditional Uses
Prunus africana bark has a traditional use in East and Central African ethnomedicine for urinary complaints, and its extract (marketed as Pygeum) became one of the most widely used European phytotherapy remedies for benign prostatic hyperplasia (BPH) symptoms in the 20th century. Clinical evidence for symptom benefit is moderate but drawn from small, methodologically weak trials.[11]
Common sorrel has a long European culinary-medicinal tradition as a refreshing, vitamin-C-rich spring green and digestive bitter, and folk-medicinally as a diuretic and mild antiscorbutic (anti-scurvy) remedy. Modern research confirms antioxidant, anti-inflammatory and antimicrobial activity of its leaf extracts.[11]
Preparations
The clinically studied commercial form, standardised for phytosterol content.
Dosage
Clinical trials have most often used around 100-200 mg/day of standardised lipophilic bark extract, divided into two doses. Educational reference only, not a prescription; any prostate or urinary symptom should be medically assessed first.
Sorrel is best treated as an occasional food rather than a daily medicinal herb, given its oxalate content; traditional infusions use roughly 2-4 g dried leaf per cup, taken occasionally rather than regularly. Educational reference only, not a prescription; avoid large or frequent amounts if prone to kidney stones or gout.
References
Lookalikes Review
Dangerous Lookalikes
Not documented
References & Sources
- Thompson, R.Q., Katz, D. and Sheehan, B (2019) 'Chemical comparison of Prunus africana bark and pygeum products marketed for prostate health', Journal of Pharmaceutical and Biomedical Analysis, 163, pp. 162-169. doi:10.1016/j.jpba.2018.10.004 Preclinical
https://doi.org/10.1016/j.jpba.2018.10.004 - Dvorkin, L. and Song, K.Y (2002) 'Herbs for benign prostatic hyperplasia', The Annals of Pharmacotherapy, 36(9), pp. 1443-1452. doi:10.1345/aph.1A228 Meta-analysis / review
https://doi.org/10.1345/aph.1A228 - Keehn, A. and Lowe, F.C (2015) 'Complementary and alternative medications for benign prostatic hyperplasia', The Canadian Journal of Urology, 22(Suppl 1), pp. 18-23. Meta-analysis / review
https://scholar.google.com/scholar?q=Complementary%20and%20alternative%20medications%20for%20benign%20prostatic%20hyperplasia - Kim, T.H., Lim, H.J., Kim, M.S. and Lee, M.S (2012) 'Dietary supplements for benign prostatic hyperplasia: an overview of systematic reviews', Maturitas, 73(3), pp. 180-185. doi:10.1016/j.maturitas.2012.07.007 Meta-analysis / review
https://doi.org/10.1016/j.maturitas.2012.07.007 - Cambronero, J., Osca-Garcia, J.M., Merino-Salas, S., Miguel, J.M. and others (2022) 'Effectiveness of treatment with Pygeum africanum in patients with lower urinary tract symptoms and benign prostatic hyperplasia: a cross-sectional study in the real-world clinical practice in Spain (The PROFIT Study)', Archivos Espanoles de Urologia, 75(3), pp. 219-227. Clinical study
https://scholar.google.com/scholar?q=Effectiveness%20of%20treatment%20with%20Pygeum%20africanum%20in%20patients%20with%20lower%20urinary%20tract%20symptoms%20and%20benign%20prostatic%20hyperplasia%3A%20a%20cross-sectional%20study%20in%20the%20real-world%20clinical%20practice%20in%20Spain%20%28The%20PROFIT%20Study%29 - Quiles, M.T., Arbos, M.A., Fraga, A., de Torres, I.M. and others (2010) 'Antiproliferative and apoptotic effects of the herbal agent Pygeum africanum on cultured prostate stromal cells from patients with benign prostatic hyperplasia (BPH)', The Prostate, 70(10), pp. 1044-1053. doi:10.1002/pros.21138 Preclinical
https://doi.org/10.1002/pros.21138 - Salinas-Casado, J., Esteban-Fuertes, M., Carballido-Rodriguez, J. and Cozar-Olmo, J.M (2020) 'Review of the experience and evidence of Pygeum africanum in urological practice', Actas Urologicas Espanolas, 44(1), pp. 9-13. doi:10.1016/j.acuro.2019.08.002 Meta-analysis / review
https://doi.org/10.1016/j.acuro.2019.08.002 - Villar, A., Silva-Fuentes, F., Mula, A. and Zangara, A (2024) 'Anti-Inflammatory Potential of Prunus africana Bark Extract: An In Vitro Study of Cytokine Release by Lipopolysaccharide-Stimulated Human Peripheral Blood Mononuclear Cells', International Journal of Molecular Sciences, 25(15), pp. 8298. doi:10.3390/ijms25158298 Preclinical
https://doi.org/10.3390/ijms25158298 - Larre, S., Camparo, P., Comperat, E., Boulbes, D. and others (2012) 'Biological effect of human serum collected before and after oral intake of Pygeum africanum on various benign prostate cell cultures', Asian Journal of Andrology, 14(3), pp. 499-504. doi:10.1038/aja.2011.132 Preclinical
https://doi.org/10.1038/aja.2011.132 - Rubegeta, E., Makolo, F., Kamatou, G., Enslin, G. and others (2023) 'The African cherry: A review of the botany, traditional uses, phytochemistry, and biological activities of Prunus africana (Hook.f.) Kalkman', Journal of Ethnopharmacology, 305, pp. 116004. doi:10.1016/j.jep.2022.116004 Meta-analysis / review
https://doi.org/10.1016/j.jep.2022.116004 - Keehn, A. and Lowe, F.C (2015) 'Complementary and alternative medications for benign prostatic hyperplasia', The Canadian Journal of Urology. Randomized trial
https://scholar.google.com/scholar?q=Complementary%20and%20alternative%20medications%20for%20benign%20prostatic%20hyperplasia - Dedhia, R.C. and McVary, K.T (2008) 'Phytotherapy for lower urinary tract symptoms secondary to benign prostatic hyperplasia', The Journal of Urology, 179(6), pp. 2119--2125. doi:10.1016/j.juro.2008.01.094 Meta-analysis / review
https://doi.org/10.1016/j.juro.2008.01.094 - Wilt, T. and Ishani, A. and Mac Donald, R. and Rutks, I. and Stark, G (2002) 'Pygeum africanum for benign prostatic hyperplasia', Cochrane Database of Systematic Reviews. doi:10.1002/14651858.CD001044 Meta-analysis / review
https://doi.org/10.1002/14651858.CD001044
- Jeong, D., Irfan, M., Kim, S.D., Kim, S. and others (2020) 'Rumex acetosa modulates platelet function and inhibits thrombus formation in rats', BMC Complementary Medicine and Therapies, 20(1), pp. 98. doi:10.1186/s12906-020-02889-5 Preclinical
https://doi.org/10.1186/s12906-020-02889-5 - Oh, D.R., Kim, Y., Choi, E.J., Jung, M.A. and others (2025) 'Rumex acetosa L. enhances learning and cognitive function by modulating NMDA receptor and BDNF pathways in vitro and in vivo', Metabolic Brain Disease, 40(5), pp. 185. doi:10.1007/s11011-025-01608-8 Preclinical
https://doi.org/10.1007/s11011-025-01608-8 - Kang, Y.M., Lee, K.Y., An, H.J. and others (2023) 'Anti-Helicobacter pylori Activity of Six Major Compounds Isolated from Rumex acetosa', ACS Omega, 8(45), pp. 42548-42554. doi:10.1021/acsomega.3c05282 Preclinical
https://doi.org/10.1021/acsomega.3c05282 - Sun, Y.Y., Su, X.H., Jin, J.Y., Zhou, J. and others (2015) 'Rumex acetosa L. induces vasorelaxation in rat aorta via activation of PI3-kinase/Akt- and Ca2+-eNOS-NO signaling in endothelial cells', Journal of Physiology and Pharmacology, 66(6), pp. 907-915. Available at: https://pubmed.ncbi.nlm.nih.gov/26769840/ Preclinical
https://pubmed.ncbi.nlm.nih.gov/26769840/ - Selbach, S., Klocke, A., Peters, U., Beckert, S. and others (2021) 'Microbiological and Clinical Effects of a Proanthocyanidin-enriched Extract from Rumex acetosa in Periodontally Healthy Carriers of Porphyromonas gingivalis: a Randomized Controlled Pilot Study', Planta Medica, 89(11), pp. 1052-1062. doi:10.1055/a-1728-2249 Randomized trial
https://doi.org/10.1055/a-1728-2249 - Ahn, S.H., Jeon, J.H., Kim, H.J., Maeng, H.J. and others (2020) 'Effect of Rumex acetosa Extract, a Herbal Drug, on the Absorption of Fexofenadine', Pharmaceutics, 12(6), pp. 547. doi:10.3390/pharmaceutics12060547 Preclinical
https://doi.org/10.3390/pharmaceutics12060547 - Feduraev, P., Skrypnik, L., Nebreeva, S., Dzhobadze, G. and others (2022) 'Variability of Phenolic Compound Accumulation and Antioxidant Activity in Wild Plants of Some Rumex Species (Polygonaceae)', Antioxidants (Basel), 11(2), pp. 311. doi:10.3390/antiox11020311 Preclinical
https://doi.org/10.3390/antiox11020311 - Li, J.J., Li, Y.X., Li, N., Zhu, H.T. and others (2022) 'The genus Rumex (Polygonaceae): an ethnobotanical, phytochemical and pharmacological review', Natural Products and Bioprospecting, 12(1), pp. 21. doi:10.1007/s13659-022-00346-z Traditional / reference
https://doi.org/10.1007/s13659-022-00346-z - Prakash Mishra, A., Sharifi-Rad, M., Shariati, M.A., Mabkhot, Y.N. and others (2018) 'Bioactive compounds and health benefits of edible Rumex species - A review', Cellular and Molecular Biology, 64(8), pp. 27-34. doi:10.14715/cmb/2018.64.8.5 Traditional / reference
https://doi.org/10.14715/cmb/2018.64.8.5 - Pan, Y., Zhao, X., Kim, S.H., Kang, S.A. and others (2020) 'Anti-inflammatory effects of Beopje curly dock (Rumex crispus L.) in LPS-induced RAW 264.7 cells and its active compounds', Journal of Food Biochemistry, 44(7), pp. e13291. doi:10.1111/jfbc.13291 Preclinical
https://doi.org/10.1111/jfbc.13291 - Chevallier, A (1996) 'The Encyclopedia of Medicinal Plants'. Traditional / reference
https://scholar.google.com/scholar?q=The%20Encyclopedia%20of%20Medicinal%20Plants - 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 - Foraging Course Company 'Foraging Guide: Lords and Ladies (Arum maculatum)'. Available at: https://www.foragingcoursecompany.co.uk/post/foraging-guide-lords-and-ladies Traditional / reference
https://www.foragingcoursecompany.co.uk/post/foraging-guide-lords-and-ladies - Wild Food UK (2020) 'Wild garlic impostors'. Available at: https://www.wildfooduk.com/articles/identifying-mushrooms-and-plants/wild-garlic-impostors/ Traditional / reference
https://www.wildfooduk.com/articles/identifying-mushrooms-and-plants/wild-garlic-impostors/
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.