Souvarchala Lavana
Souvarchala Lavana is a salt or alkali preparation used in Ayurveda. An absence here means we could not identify the source, not that no work exists.
| Substance type | Salt or alkali preparation, not a plant |
|---|---|
| Also known as | Souvarchala Lavana, SouvarchalaLavana |
Names and identification
| Language | Name |
|---|---|
| English | Souvarchala Lavana Sochal Salt Kala Namak |
Key Phytochemical Constituents
- Sodium chloride with sodium sulfide
- Sodium sulfate (Na2SO4)
- Iron sulfide (FeS, greigite)
- Hydrogen sulfide (H2S - volatile, gives egg-like odor)
- Sodium bisulfate and sodium bisulfite
- Iron compounds (Fe2+, Fe3+)
- Magnesium (trace)
- Potassium (trace)
- Manganese (trace)
How does it work?
- Digestive stimulant: Sulfur compounds stimulate bile production in liver and gastric acid secretion, enhancing overall digestive capacity and appetite
- Anti-flatulent: Hydrogen sulfide at therapeutic doses modulates intestinal smooth muscle motility, reduces gas accumulation, and relieves abdominal heaviness
- Mild anti-anemic: Iron sulfide provides bioavailable ferrous iron that can increase hemoglobin levels with regular dietary use
- Srotoshodhana (channel clearing): Light, sharp, and hot qualities clear Kapha-obstructed channels; aromatic sulfur compounds have mild expectorant and decongestant properties
Which traditional uses are supported by research?
- Gulma and Shula (abdominal tumor/colic pain): Bile-stimulating and smooth muscle-relaxing effects of sulfur compounds validate traditional use in abdominal pain and colic
- Vibandha (constipation): Bile secretion enhancement and mild osmotic effect from mineral content support traditional laxative indication
- Pandu (anemia): Iron sulfide content providing bioavailable iron validates traditional use in anemia management as dietary supplement
What do recent clinical trials show?
3 further claims previously listed here could not be traced to a published paper and have been removed. An absence here means we could not identify the source, not that no work exists.
Recent safety updates
- Maximum daily consumption should not exceed 6 grams; excessive intake may cause sulfide-related GI distress
- Commercial ‘black salt’ products often use artificial coloring and sulfur additives rather than traditional kiln-firing process; authenticity verification important
- Contraindicated in Raktapitta (bleeding disorders) and hyperacidity when consumed in excess due to heating potency
- Individuals with sulfite allergies should use with caution; hydrogen sulfide content varies by preparation method
What is it made of?
Key Active Markers
- Magnesium
- Potassium
- Manganese
- Sodium chloride with sodium sulfide
- Sodium sulfate
- Iron sulfide
- Hydrogen sulfide
- Sodium bisulfate and sodium bisulfite
- Iron compounds
Analytical Methods: HPLC fingerprinting, TLC (identity), LC-MS/MS (marker quantification)
Dosage forms and preparation
Dosage Forms: Crystal/powder
Standard Dosage: 0.5–2 g as digestive; in formulations: as directed
Bioavailability: Good; sulfur-containing salt with digestive enzyme-like action
Optimal Timing: Before meals as Deepana-Pachana; with Hingvastak Churna
Standardized Extract: Black salt (Kala Namak) — sulfur-containing rock salt
Shelf Life: Indefinite
Storage: Airtight container (sulfur compounds are volatile)
Marker Compounds: Sodium chloride, Sodium sulfate, Iron sulfide, Hydrogen sulfide (responsible for smell), Trace minerals
Quality Parameters: Characteristic sulfurous smell, NaCl content, sulfate content as labeled
Vehicle (Anupana): Part of Pachana (digestive) formulations; Hingvastak Churna, Lavana Bhaskar Churna
Consult a qualified vaidya before acting on anything here. Ayurvedic practice is prescribed to a person, not to a condition: the same dravya is given, withheld or substituted depending on your constitution, your agni, the season and what else you are already taking. A page cannot know any of that. Self-prescribing from a reference is how the wrong preparation, the wrong dose or the wrong anupana gets used.
Educational reference only. Nothing on this page is medical advice, a diagnosis, or a recommendation to take anything. Traditional uses and research findings are reported as published, not as claims about what any product does. If you take prescribed medication, raise any interaction with the prescriber rather than acting on a page. See our editorial standards.