Herbs (Global Traditional) · TCM
Gynostemma pentaphyllum
Moderate Evidencebotanical
Hermetica Superfood Encyclopedia
Gynostemma pentaphyllum is a climbing herb containing gypenosides that activate AMPK pathways to regulate metabolism and cholesterol. Clinical studies demonstrate significant improvements in lipid profiles and emerging evidence for hair growth promotion.
Gynostemma pentaphyllum is a perennial climbing vine from the Cucurbitaceae family, native to mountainous regions of southern China, Japan, and Korea, where it grows wild and is harvested for medicinal use. The herb's aerial parts, particularly leaves and stems, are the primary source, with extracts typically obtained through hot water or ethanol extraction methods.
A systematic review and meta-analysis of 22 RCTs (n=2,407) confirmed Gynostemma pentaphyllum's efficacy for dyslipidemia management (PMID: 36091752). Additional RCTs have demonstrated benefits for hair growth over 24 weeks (PMID: 40077637), weight reduction over 16 weeks (PMID: 34323337), and anxiety reduction over 8 weeks (PMID: 30599899).
Clinically studied doses include: 400 mg/day leaf extract (200 mg twice daily) for anxiety; 340 mL/day extract beverage for hair health; standardized extracts (ActivAMP®) for weight management over 16 weeks. General range for lipid management: 200-600 mg/day standardized to gypenosides for 4-24 weeks. Consult a healthcare provider before starting any new supplement.
Gynostemma's primary bioactives, gypenosides (particularly gypenoside XLIX), activate AMP-activated protein kinase (AMPK) pathways, enhancing fatty acid oxidation and glucose metabolism. The compound modulates HMG-CoA reductase activity, reducing cholesterol synthesis, while also influencing PPAR-α and SREBP-1c transcription factors. Additional mechanisms include antioxidant activity through Nrf2 pathway activation and potential IGF-1 signaling enhancement for tissue regeneration.
A comprehensive meta-analysis of 22 RCTs (n=2,407) demonstrated significant reductions in total cholesterol (-0.54 mmol/L), LDL cholesterol (-0.43 mmol/L), and triglycerides (-0.34 mmol/L) with gynostemma supplementation. A 24-week randomized controlled trial showed promising hair growth effects with 3-fold increases in hair elasticity and density, plus 4-fold increases in thickness parameters. Most studies used standardized extracts containing 80-98% gypenosides at doses of 450-6000mg daily. Evidence quality is moderate for lipid benefits but limited for other claimed effects, requiring additional large-scale trials.
Gynostemma is generally well-tolerated with mild gastrointestinal upset being the most common side effect at higher doses. The herb may potentiate blood glucose-lowering medications due to its AMPK activation, requiring monitoring in diabetic patients. Potential interactions exist with anticoagulant medications as some studies suggest mild blood-thinning properties. Safety during pregnancy and lactation has not been established, and use should be avoided in these populations.