Age Ayurveda Nighantu

Navaratna Raja Mriganka Rasa

Navaratna Raja Mriganka Rasa is a rasa preparation, a herbo-mineral formulation of the rasa shastra tradition. An absence here means we could not identify the source, not that no work exists.

Key facts
Substance typeHerbo-mineral (rasa shastra) preparation, not a single plant
Also known asNavaratna Raja Mriganka Rasa, NavaratnaRajaMrigankaRasa
Pharmacopoeia statusClassical Rasashastra formulation from Rasendra Sara Sangraha; manufactured by select licensed Ayurvedic pharmacies under AYUSH guidelines; classified as a Rasa Aushadhi (mineral medicine) requiring Schedule E-1 prescription; regulatory scrutiny due to heavy metal content

Names and identification

LanguageName
EnglishNavaratna Raja Mriganka Rasa

Where is it described in the classical texts?

Rasendra Sara Sangraha by Gopalakrishna Bhatt (14th century CE); also referenced in Rasa Ratna Samuchaya and other Rasashastra texts

How does it work?

  • Navaratna (9 gems) concept provides synergistic mineral-gem therapy targeting all 7 Dhatus (body tissues) and 3 Doshas simultaneously
  • Swarna Bhasma (gold calx) acts as a potent Rasayana (rejuvenative) with immunomodulatory and neuroprotective effects at nanoparticle scale
  • Parada-Gandhaka (mercury-sulfur) Kajjali base provides catalytic carrier for other Bhasmas, enhancing their tissue penetration (Yogavahi property)
  • Multiple metal Bhasmas (iron, copper, silver, tin) provide trace mineral supplementation addressing multi-system deficiencies
  • Gemstone Bhasmas (ruby, emerald, topaz, cat’s eye, diamond) are believed to provide subtle energy influences on specific organ systems and chakras in traditional Rasashastra theory
  • Coral and Pearl Bhasmas provide bio-calcium and act as cooling agents balancing the heating effect of metallic Bhasmas

Which traditional uses are supported by research?

  • Rejuvenation and anti-aging (Rasayana) - traditional use as a potent rejuvenative for debility and aging; limited modern validation due to safety concerns precluding clinical trials
  • Tridosha balance and multi-system tonic - traditional claim for balancing all three Doshas; conceptually supported by the multi-mineral composition but lacks rigorous clinical evidence

What do recent clinical trials show?

2 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

  • Contains multiple heavy metals including mercury, lead, arsenic (Haratala), and copper - EXTREMELY high risk profile requiring strict medical supervision
  • Naga Bhasma (lead calx) poses particular concern for lead poisoning; WHO and FDA have flagged Ayurvedic preparations containing lead
  • Mercury (Parada) content, even when purified, raises concerns about mercury bioaccumulation and neurotoxicity with chronic use
  • Shuddha Haratala (arsenic trisulfide) is a known carcinogen in inorganic form; traditional purification claims require modern analytical validation
  • Not recommended for self-medication under any circumstances; requires expert Vaidya supervision with baseline and periodic monitoring of blood mercury, lead, arsenic levels, and liver/kidney/neurological function
  • Banned or restricted in several countries due to heavy metal content; FDA has issued warnings about Ayurvedic products containing detectable lead, mercury, and arsenic

What is it made of?

Mineral/Elemental Profile

  • Primary component: Mercury-based preparation (Parada) with herbal processing
  • Note: Restricted use — requires strict Shodhana protocols and expert supervision

Analytical Methods: AAS/ICP-MS (heavy metals), XRD, Namburi phased spot test

Dosage forms and preparation

Dosage Forms: Vati

Standard Dosage: 30–60 mg

Bioavailability: Multi-component nanocomposite; broad-spectrum mineral bioavailability

Optimal Timing: As directed by physician; with specific anupana per condition

Standardized Extract: Nine-gem + metallic bhasma compound (Navaratna = nine gems)

Shelf Life: Indefinite

Storage: Airtight, premium container

Marker Compounds: Nine gem derivatives, Metal oxide nanoparticles, Herbal bioactives

Quality Parameters: Multi-component assay, free metals below limits, standard Rasaushadhi tests

Vehicle (Anupana): As per specific condition

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.