Kidney Support
Punarnava
Also known as: Boerhavia diffusa, Spreading hogweed
Ayurvedic herb for kidney and fluid balance. Traditional diuretic and rejuvenative supporting healthy water balance.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Common questions
How much Punarnava should I take?
The typical range is 500-1000mg daily. Traditional cycling recommended
When should I take Punarnava?
With meals. Yes.
Which form of Punarnava is best?
Powder — Traditional. Other forms in the catalog: Capsules.
Is Punarnava safe?
Commonly reported: Increased urination, Electrolyte changes. Serious warnings: Monitor electrolytes with long-term use. Traditional kidney support but avoid in severe kidney disease
Primary uses
- Kidney support
- Fluid balance
- Urinary health
- Edema
How it works
- Natural diuretic properties
- Kidney protective
- Anti-inflammatory
- Traditional rejuvenative
Dosage
- Typical range
- 500-1000mg daily
- Timing
- With meals
- With food
- Yes
- Duration
- Traditional cycling recommended
- Special populations
- Fluid retention, kidney support
Forms
- Powder
- Capsules
Safety
Common side effects
- Increased urination
- Electrolyte changes
Contraindications
- Severe kidney disease
- Electrolyte imbalances
Evidence notes
Traditional use for kidney and water balance, limited modern research
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.