Herbs (Global Traditional) · TCM
Panax notoginseng
Strong Evidencebotanical
Hermetica Superfood Encyclopedia
Panax notoginseng is a traditional Chinese herb containing ginsenosides Rb1 and Rg1 that improve circulation through vasodilation and anti-inflammatory effects. Clinical studies show it enhances stroke recovery outcomes and lung function in COPD patients.
Panax notoginseng is a perennial herb native to southwestern China, primarily sourced from the roots and rhizomes of the plant (family Araliaceae). It is extracted using water decoction or ethanol extraction methods to isolate active triterpenoid saponins (ginsenosides), which are standardized to 85-95% total saponins in preparations like Xuesaitong.
A landmark multicenter RCT with 2,970 ischemic stroke patients demonstrated Xuesaitong's superiority over placebo for functional recovery (PMID: 37338907). Meta-analyses covering 20 RCTs in COPD patients (n=1,831) and multiple stroke studies confirm benefits for cardiovascular and neurological outcomes (PMIDs: 38216446, 38898926, 30166105).
Clinically studied doses of standardized Panax notoginseng saponins range from 120-600 mg/day orally. The most common protocol is 120 mg twice daily for 3-12 weeks, as used in the major stroke RCT. Injections are also available for post-thrombolysis care. Consult a healthcare provider before starting any new supplement.
Panax notoginseng's primary bioactive compounds, ginsenosides Rb1 and Rg1, modulate nitric oxide synthase to promote vasodilation and improve microcirculation. These saponins inhibit platelet aggregation through cyclooxygenase pathways and reduce inflammatory cytokines like TNF-α and IL-6. The herb also activates AMPK signaling pathways to enhance cellular energy metabolism.
A large randomized controlled trial (n=2,970) demonstrated that Panax notoginseng significantly improved stroke recovery, with 89.3% of patients achieving functional independence compared to 82.4% in the placebo group at 3 months. A meta-analysis of 20 RCTs found consistent improvements in lung function for COPD patients, including enhanced FEV1 values and oxygen levels alongside reduced blood viscosity. The evidence base consists primarily of studies conducted in Asian populations with dosages ranging from 3-9 grams daily. While results are promising, more research in diverse populations is needed to confirm universal efficacy.
Panax notoginseng may increase bleeding risk and should not be combined with anticoagulant medications like warfarin or heparin. Common side effects include mild gastrointestinal upset, dizziness, and headaches at dosages above 6 grams daily. The herb may interact with diabetes medications by enhancing glucose-lowering effects, requiring blood sugar monitoring. Pregnant and breastfeeding women should avoid use due to insufficient safety data and potential hormonal effects.