Punarnava (Boerhavia diffusa)

Tier 3 — weak evidence · Ayurveda · Kidney support · Diuretic

An important Ayurvedic herb meaning "one that renews the body." Used traditionally for kidney and liver support and as a natural diuretic. Contains punarnavine and boeravinone with demonstrated anti-inflammatory and hepatoprotective effects in animal studies. Limited human clinical trials but extensive traditional use spanning 3,000 years.

Dose: 500–1,000 mg/day root extract; 3–6 g/day as traditional powder