Epimedium pubescens (Epimedium pubescens): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Epimedium pubescens work in the body?

Epimedium pubescens contains icariin and other flavonoids that work through multiple mechanisms. Icariin appears to inhibit phosphodiesterase-5 (PDE5), similar to some pharmaceutical medications, which may explain its traditional use for sexual health. The herb also demonstrates estrogenic activity through phytoestrogenic compounds, supporting bone metabolism. Additionally, epimedins and baohuoside I exhibit anti-inflammatory properties that may contribute to its traditional use for joint pain. Evidence level: C (preclinical studies).

Does Epimedium pubescens interact with any medications?

Epimedium pubescens may interact with several medication classes. Due to its PDE5-inhibiting properties, it should not be combined with prescription PDE5 inhibitors (sildenafil, tadalafil) or nitrates, as this may cause dangerous blood pressure drops. Its estrogenic effects may interfere with hormone therapies, birth control, or hormone-sensitive cancer treatments. Those on anticoagulants should exercise caution due to potential bleeding effects. Always consult a healthcare provider before combining with medications. Evidence level: C.

What is the recommended dosage for Epimedium pubescens?

The typical adult dosage for Epimedium pubescens is 500mg taken twice daily in capsule form. Standardized extracts are preferred to ensure consistent icariin content. Dosage may vary based on the specific preparation (dried herb, extract, or tincture) and intended use. Traditional Chinese medicine practitioners may adjust doses based on individual constitution and kidney deficiency patterns. Start with lower doses to assess tolerance, and do not exceed recommended amounts without professional guidance. Evidence level: Traditional/C.

Is Epimedium pubescens safe during pregnancy and breastfeeding?

Epimedium pubescens is considered unsafe during pregnancy and should be strictly avoided. The herb contains phytoestrogens and other compounds that may stimulate uterine contractions or affect fetal development. Its hormone-modulating effects pose potential risks to the developing fetus. Due to insufficient safety data, breastfeeding women should also avoid this herb. Women with hormone-sensitive conditions, including certain cancers and endometriosis, should not use Epimedium pubescens. Evidence level: C/Theoretical.

What are the side effects of Epimedium pubescens?

Common side effects of Epimedium pubescens include tachycardia (rapid heart rate) and hormone-related effects such as breast tenderness or menstrual changes. Some users report dizziness, dry mouth, or mild gastrointestinal upset. Due to its estrogenic activity, prolonged use may affect hormone balance. Individuals with cardiovascular conditions should monitor heart rate carefully. Discontinue use if experiencing palpitations, severe headaches, or allergic reactions. Evidence level: C/Traditional.

What is Epimedium pubescens used for in traditional medicine?

Epimedium pubescens is traditionally used in Chinese medicine as a yang tonic, primarily for kidney deficiency patterns. In Sichuan folk medicine, it has been employed for joint pain, rheumatic conditions, and male sexual health concerns. Modern interest focuses on its potential for bone density support, attributed to icariin's effects on osteoblast activity. The herb is also used for anti-rheumatic purposes and general vitality. Evidence level: C (preclinical evidence supports some traditional uses).

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Epimedium pubescens is a species of the Berberidaceae family used in traditional Chinese medicine, primarily valued for its bioactive flavonol glycosides [PMID:36452098, PMID:35990929].

Contexte

Epimedium pubescens is a basal eudicot plant and a primary source for the traditional Chinese medicine known as "Herba Epimedii" [PMID:36452098]. It is one of five species recorded in the Pharmacopoeia of the People's Republic of China and is widely distributed across China [PMID:31905759].

Usages traditionnels

It is used as a traditional Chinese medicinal herb, specifically in formulas prescribed for the treatment of osteoporosis [PMID:36452098, PMID:19747809].

Composés actifs

The major pharmaceutically active compounds are flavonol glycosides [PMID:35990929], specifically prenylated flavonol glycosides (PFGs) [PMID:37377796, PMID:36555695]. Key identified compounds include icariin [PMID:36091759, PMID:38471268], epimedin A, epimedin B, and epimedin C [PMID:31773856].

Mécanisme d'action

Icariin promotes osteogenic differentiation of bone mesenchymal stem cells (BMSCs) via a MAPK-dependent manner, phosphorylating ERK, p38 kinase, and c-Jun N terminal kinase [PMID:25867119]. It also regulates osteoblast anabolism through the expression of BMP-2, SMAD4, and Cbfa1 [PMID:19747809] and inhibits osteoclastogenesis by targeting the Cullin 3/Nrf2/OH pathway to reduce oxidative stress [PMID:38471268].

Preuves cliniques

Preuve BOsteoporosis

Icariin treated ovariectomized rats exhibited higher bone density and fewer TRAP-positive osteoclasts [PMID:38471268].

Preuve BBone Defect/Fracture Healing

Icariin induced osteogenic differentiation of preosteoblastic cells and showed in vivo anabolic effects in a mouse calvarial defect model [PMID:19698057].

Preuve DInflammatory Osteoclastogenesis

Icariin effectively inhibited osteoclast formation and bone resorption in RAW264.7 cells stimulated by titanium particles [PMID:24969548].

Sécurité et effets indésirables

Analysis of Epimedii Folium samples showed the presence of copper (Cu) and lead (Pb), with concentrations being significantly higher in wild-growing plants than in cultivated ones [PMID:28620728].

Synthèse des preuves

The evidence is primarily based on in vitro cell studies and in vivo animal models (rats/mice) focusing on the osteogenic properties of icariin; there are no human clinical trials provided in the abstracts.

Sources PubMed

1.PMID: 22041065 (2011) — Flavonol glycosides from Epimedium pubescens. · Chemical & pharmaceutical bulletin
2.PMID: 36452098 (2022) — The discovery of a key prenyltransferase gene assisted by a chromosome-level Epimedium pubescens genome. · Frontiers in plant science
3.PMID: 41814816 (2026) — [Effects of different light qualities on field-grown Epimedium pubescens]. · Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
4.PMID: 31905759 (2019) — A Widely Metabolomic Analysis Revealed Metabolic Alterations of Epimedium Pubescens Leaves at Different Growth Stages. · Molecules (Basel, Switzerland)
5.PMID: 36555695 (2022) — A Novel 3-O-rhamnoside: 2″-O-xylosyltransferase Responsible for Terminal Modification of Prenylflavonol Glycosides in Epimedium pubescens Maxim.

Epimedium pubescens

Sources et citations

Calculer une dose sûre de Epimedium pubescens

Ribes nigrum

Kunzea Ambigua

Dashamula Indian

Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Sécurité et effets indésirables

Synthèse des preuves

Sources PubMed

Sources gouvernementales

Epimedium pubescens

Sources et citations

Calculer une dose sûre de Epimedium pubescens

Plantes associées

Ribes nigrum

Kunzea Ambigua

Dashamula Indian

Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Sécurité et effets indésirables

Synthèse des preuves

Sources PubMed

Sources gouvernementales