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.
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.
Check a full stack
Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.
Open the checkerWhere does Punarnava fit in your stack?
Answer two questions and get a stack graded on research — every ingredient scored on the evidence behind it, not the marketing.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
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.