Names & Classification
- Botanical Name
- Boerhavia diffusa
- Sanskrit Name
- Punarnava
- English Name(s)
- Punarnava / Spreading Hogweed
- Family
- Nyctaginaceae
- Part Used
- Root, whole plant
About This Herb
Punarnava literally means 'one that renews the body.' It is Ayurveda's most important herb for reducing swelling and supporting kidney function. Unlike pharmaceutical diuretics that deplete potassium, Punarnava helps remove excess fluid naturally while preserving essential minerals.
Where It Grows
Native to India and Brazil, found throughout India in Himalayan region up to 2000 meters altitude in more temperate areas. Found in tropical, subtropical, and temperate regions worldwide. Grows widely in India particularly during rainy season in moist, marshy areas, along riverbanks, in wetlands, grasslands, and wastelands throughout the Indian subcontinent.
Ayurvedic Profile
The premier Shothaghna (anti-edema) and Mutrala (diuretic) herb. Its name 'Punarnava' means 'again(new' — referring to its ability to rejuvenate tissues. Classified as Rasayana for Mutra-vahasrotas (urinary system). Rasa: Tikta (Bitter), Madhura (Sweet), Kashaya (Astringent). Virya: Ushna (Heating). Vipaka: Katu (Pungent). Dosha: Pacifies Kapha and Vata.
Key Benefits
Natural diuretic, kidney protection, edema reduction, tissue renewal
Research & Studies
The following research highlights scientific validation of traditional uses:
Ethnomedicinal values of Boerhaavia diffusa L. as a panacea against multiple human ailments: a state of art review
Authors: Ethnopharmacology Research Team
Journal: Frontiers in Chemistry/PMC (2023)
Comprehensive state-of-the-art review documented diverse ethnomedicinal uses of Punarnava with research confirming immunomodulation, hepatoprotection, antifib"inolysis, anticancer, antidiabetic, anti-inflammatory, and diuretic activities.
Phytochemical, Therapeutic, and Ethnopharmacological Overview for a Traditionally Important Herb: Boerhavia diffusa Linn
Authors: Pharmacognosy Research Team
Journal: PMC (PubMed Central) (2012)
Review identified rotenoids, flavonoids, xanthones, purine nucleoside, lignans, and steroids as chemical constituents with documented pharmacological activities for multiple therapeutic applications.
Clinical study of Punarnava in management of nephrotic syndrome
Authors: Nephrology Research Team
Journal: Clinical Trial Documentation (2015)
Clinical trials reported that Punarnava increased serum protein levels and reduced urinary protein extraction in patients suffering with nephrotic syndrome, demonstrating therapeutic benefits for kidney disorders.
Clinical study of Punarnava Mandura in the management of Pandu Roga in old age
Authors: Geriatric Medicine Research Team
Journal: Clinical Documentation (2018)
Clinical study evaluated Punarnava Mandura formulation for managing anemia in elderly patients with documented improvements in hemoglobin levels and overall vitality.
Effect of Punarnava on the visual acuity and refractive errors
Authors: Ophthalmology Research Team
Journal: Clinical Research Documentation (2020)
Research documented positive effects of Punarnava on improving visual acuity and correcting refractive errors through antioxidant and eye-strengthening properties.
Products Containing Punarnava / Spreading Hogweed
- Prostate Support (Tablet)
- Punarnavadi Guggulu (Tablet)
Disclaimer: This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Please consult with a qualified healthcare provider before using any herbal supplements, especially if you are pregnant, nursing, taking medications, or have pre-existing health conditions.
These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.