Ayurvedic Properties
- Taste (Rasa)
- Sweet (Madhura)
- Quality (Guna)
- Heavy (Guru), Unctuous (Snigdha)
- Potency (Virya)
- Cold (Sheeta)
- Post-digestive (Vipaka)
- Sweet (Madhura)
- Key Constituents
- Pb (Pure metallic lead)
- Also Known As
- English: Lead
Sanskrit: नाग, सीस, सीसक, योगेष्ट
Hindi: सीसा
What is Lead?
Most people are surprised to learn that a metal now known mainly as a poison has a place in the classical Ayurvedic pharmacy. Lead (Naga, also called Sisa or Sisaka) is one of the metals of Rasashastra, the branch of Ayurveda that works with metals and minerals. Raw lead is highly toxic, and lead preparations are for qualified practitioners only. Never self-prescribe them.
The Bhavaprakash Nighantu (Varga 7) describes Naga as the fifth metal: heavy, soft, and bluish-grey. Its chemical identity is simply pure metallic lead (Plumbum, Pb). In Hindi it is called Sisa.
Lead is never used raw. It is used only as Naga Bhasma, a calcined ash made after a long purification (Shodhana) and incineration (Marana) process. The same text that lists its uses in diabetes, obesity, urinary disorders, and worm infestations warns that improper use causes severe disease.
This page explains what the classical texts say so you can understand the tradition. It is not a guide to taking lead. If a practitioner ever suggests Naga Bhasma, that decision, the source, and the dose belong with a qualified Ayurvedic physician (Vaidya).
Benefits of Lead
Important: everything below describes classical uses of processed Naga Bhasma under a qualified practitioner. Raw lead is highly toxic. None of these uses is a reason to self-medicate.
Blood sugar and urinary disorders
The Bhavaprakash Nighantu lists Naga Bhasma as anti-diabetic (Pramehaghna, from Prameha, the classical group of urinary and metabolic disorders that includes diabetes). The Sushruta Samhita (Chikitsa Sthana 12) also names lead among the metals in its Prameha discussion.
The classical reasoning points to its sweet taste (Madhura Rasa), sweet post-digestive effect (Madhura Vipaka), and cold potency (Sheeta Virya).
Weight and fat metabolism
Naga Bhasma is described as fat-reducing (Medohara, from Meda, the fat tissue). The Bhavaprakash Nighantu lists obesity among its uses, and our knowledge graph also links it to high cholesterol.
Worms and parasites
It is classed as anthelmintic (Krimighna, meaning destroyer of worms), used for parasites and worm infestations.
Skin and wounds
The classical actions include wound healing (Vranaropana), and lead is linked to skin disorders. Ayurvedic sources describe it as a medicinal for skin diseases and swelling.
Reproductive and genito-urinary conditions
Ayurvedic sources also describe its use for leucorrhea and vaginal discharge, gonorrhea, and syphilis. These are serious conditions that need modern medical diagnosis and treatment first.
Every one of these uses depends on correct purification and incineration, and on a Vaidya choosing whether it is appropriate at all.
How to Use Lead
Do not take lead in any form on your own. Raw lead is highly toxic. This section explains how the classical texts prepare it, so you understand what a practitioner is talking about. It gives no home doses on purpose.
The only medicinal form: Naga Bhasma
Ayurveda uses lead only as Naga Bhasma, a fine ash (Bhasma) produced by two classical stages:
- Purification (Shodhana): the Sharangadhara Samhita (Madhyama Khanda, Chapter 11) describes heating Naga and tin (Vanga) until molten and pouring them, a process it says achieves their purification.
- Calcination (Marana): the same chapter (verses 10 to 104) sets out detailed procedures for calcining metals, including Naga, into a bhasma.
The method of purifying Naga (lead) and Vanga (tin): Heat Naga and Vanga until molten and pour them [through a sieve]. This achieves purification of lead and tin.
Sharangadhara Samhita, Madhyama Khanda, Chapter 11
Who decides the dose
Dose, vehicle (Anupana, the substance a medicine is taken with), and course length are set only by a qualified Vaidya after examining you. Bhasmas are given in very small amounts for a defined period, never open-ended.
| Form | Dose | Best For | When to Take |
|---|---|---|---|
| Raw lead, lead salts, home-processed material | Never | Nothing. These are poison. | Never |
| Naga Bhasma (properly processed) | Set by a qualified Vaidya only | Classical uses such as Prameha, under supervision | As prescribed, for a defined course |
A responsible course also involves a verified pharmacy source and medical monitoring, including blood lead and kidney and liver function tests.
Lead – Ayurvedic Healing Properties
Lead is a very effective medicinal for skin diseases. It is used also to treat leukorrhea, vaginal discharge, swelling, gonorrhea and syphilis.
Source: Ayurveda: The Science of Self-Healing, Chapter XIII: Metals, Gems, and Color Therapy
Safety & Side Effects
Raw lead is highly toxic. Unlike most entries on this site, lead is not a gentle herb with a few exceptions. It is a heavy metal, and the classical texts themselves warn that improper use causes severe disease.
Why caution is non-negotiable
- Lead is only acceptable in Ayurveda after full purification (Shodhana) and calcination (Marana). Anything short of that is poison.
- Modern toxicology regards lead as harmful to the nervous system, kidneys, and reproductive system.
- Quality varies between manufacturers, and independent testing has found bioavailable lead in market bhasmas.
Who must not take it
- Pregnant or breastfeeding women, and anyone planning conception
- Children
- Anyone with kidney or neurological disease, or a previously raised blood lead level
Safe practice
Never self-prescribe, never buy lead preparations online to try at home, and never combine them with other mineral products on your own. Any use must be supervised by a qualified Vaidya, with a verified source, a defined stop date, and baseline and follow-up blood tests.
If you think you have been exposed to lead, see a medical doctor promptly.
Recommended: Start Here
If you came here looking for a way to start using lead, the honest recommendation is simple: do not self-medicate. Raw lead is highly toxic, and Naga Bhasma is a practitioner-only medicine.
Your actual first step
See a qualified Ayurvedic physician (Vaidya) and, for conditions like diabetes or urinary complaints, your medical doctor as well. Let them decide whether any metallic preparation is appropriate. For almost everyone, it is not.
A safer plant-based path
For blood sugar support, Ayurveda offers plant options with none of the heavy-metal risk. Gudmar (Gymnema) and Bitter Gourd (Karavellaka) are both listed in our knowledge graph as herbs used for diabetes. Discuss them with your practitioner, especially if you already take blood sugar medication.
Find Gudmar (Gymnema) on Amazon ↗ Bitter Gourd (Karela) ↗
Safety: never buy or take Naga Bhasma or any lead product without a qualified Vaidya; it is absolutely unsafe in pregnancy, breastfeeding, and for children.
Lead vs Other Herbs & Supplements
Lead is not interchangeable with ordinary herbs. The fairest comparison is with the safer options that share its classical uses. Raw lead is highly toxic, and Naga Bhasma is practitioner-only.
| Comparison | Lead (Naga Bhasma) | Alternative | Verdict |
|---|---|---|---|
| Lead vs Gudmar for blood sugar | Classically anti-diabetic (Pramehaghna), but a heavy metal requiring full processing and supervision | Gudmar is a plant herb used for diabetes | Start with plant herbs under guidance. Lead is never a self-care choice. |
| Lead vs Bitter Gourd for diabetes | Practitioner-only metallic remedy | Bitter Gourd is a food and herb linked to diabetes | Bitter Gourd is the safer, everyday option to discuss with your doctor. |
| Lead vs other metals (tin, copper, iron) | Grouped with tin, copper, silver, gold, and iron in the Sushruta Samhita's Trapvadi group (Trapvadi Gana) | Other metals also need purification and calcination | All metallic bhasmas belong with a qualified Vaidya, not on a home shelf. |
Lead for Specific Populations
Lead in any form carries real risk. Raw lead is highly toxic, and Naga Bhasma is used only by qualified practitioners. For most groups below the answer is a clear no.
Pregnancy & Nursing
Unsafe. Do not use. Lead preparations are absolutely contraindicated in pregnancy, breastfeeding, and when planning conception. Lead harms the developing nervous system.
Children
Unsafe. Do not use. Children are especially vulnerable to lead, and there is no safe blood lead level for them.
Elderly
Older adults often have reduced kidney function, which raises the risk from any heavy metal. Any use would be a specialist decision by a qualified Vaidya with medical monitoring, and in most cases a plant-based option is the better route.
Athletes
There is no classical or practical reason for athletes to use lead. Do not take it for performance or weight control. Its fat-reducing (Medohara) action is a classical clinical indication, not a fitness supplement.
Frequently Asked Questions
Is lead really used in Ayurveda?
Yes. Classical texts such as the Bhavaprakash Nighantu, Sushruta Samhita, and Sharangadhara Samhita describe lead (Naga) as a medicinal metal. It is used only as a processed ash, Naga Bhasma, and the same texts warn that improper use causes severe disease.
Can I buy Naga Bhasma and take it myself?
No. Raw lead is highly toxic, and even processed bhasmas vary in quality. Naga Bhasma should only be prescribed by a qualified Vaidya, from a verified source, with blood tests before and during a defined course.
What does purification of lead involve?
The Sharangadhara Samhita describes purification (Shodhana) by heating lead until molten and pouring it, followed by calcination (Marana) into an ash. These are specialist pharmacy procedures, never something to attempt at home.
What is lead's Ayurvedic energetics?
Classically, lead is sweet in taste, heavy and unctuous in quality, cold in potency, and sweet in its post-digestive effect. These properties explain its traditional use in Prameha and fat-related disorders.
Why is lead listed with the salts in the Ashtanga Hridaya?
The Ashtanga Hridaya (Sutrasthana) includes Seesa, a name for lead, in its list of the salt group (Lavana Gana) alongside rock salt, black salt, and others. This is a classification, not a suggestion to consume it.
How to Use Lead by Condition
Explore how Lead is used for specific health concerns — with dosage, preparation methods, and classical references for each.
▶ Classical Text References (4 sources)
References in Astanga Hridaya Sutrasthan
5 Nature of increase and decrease व ृ : समानै: सवषां वपर तै: वपयय: । vṛddhi: samānai: sarveṣāṃ viparītai: viparyaya: | Equal qualities lead to increase, and opposing qualities lead to decrease.
— Astanga Hridaya Sutrasthan, Ayushkameeya Adhyaya
It further may lead to Shvasa – Asthma, COPD, wheezing, breathing difficulty Aruchi – Anorexia, lack of interest in taking food Hrudamaya – cardiac disorder Shosha – Emaciation Hidhma – hiccup Treatment – काय अ कासहासुतरां व धः All treatment which relieves cough (Regular treatment to cough) should be given.
— Astanga Hridaya Sutrasthan, Roganutpadaniya
Suppression of breathing on exertion: गु म ोग स मोहाः म वासा वधा रतात ् १४ Avoiding heavy breathing after heavy work may lead to Gulma – Abdominal tumor, bloating Hrudroga- Cardiac disorder Sammoha – loss of consciousness, delusion Treatment: हतं व मणं त वात न च या मः Vishrama – rest Vata balancing treatment.
— Astanga Hridaya Sutrasthan, Roganutpadaniya
Lavana Gana – group of salts:वरं सौवचलं कृ णं बडं सामु मौ रोमकं पांसुजं शीसं दम ् ार च लवणो गणः Varam (Saindhava – Rock Salt), Sauvarcala (sochal salt), Krishna (black salt) Bida salt, Samudra (table salt), Audbhida, Romaka, Pamshuja, Seesa (lead) and Kshara (Alkalies) form the salt group.
— Astanga Hridaya Sutrasthan, Rasabhediyam Tastes, Their
It is a self defense mechanism of the body to avoid further increase of Dosha, which may lead to disease.
— Astanga Hridaya Sutrasthan, Doshabhediya Dosha Types,
Source: Astanga Hridaya Sutrasthan, Ayushkameeya Adhyaya; Roganutpadaniya; Rasabhediyam Tastes, Their; Doshabhediya Dosha Types,
References in Charaka Samhita
In a patient who is already weak and has low digestive ability, the cumulative effect of excessively morbid ama (ama pradosha), food and drug will further deplete the strength of the patient and could even lead to death.
— Charaka Samhita, Vimana Sthana — Specific Medical Principles, Chapter 2: Three Types of Gastric Capacity (Trividhakukshiya Vimana / त्रिविधकुक्षीय विमान)
When a person’s dhi (ability to comprehend), dhriti (controlling power), and smriti (power to recall memories, or reminisce) get impaired, he performs inauspicious deeds that lead to aggravation of all dosha.
— Charaka Samhita, Sharira Sthana — Human Body & Embryology, Chapter 1: Enumeration of the Person (Katidhapurusha Sharira / कतिधापुरुष शरीर)
If one soul could beget another soul, it would lead to a question – which kind - born or unborn soul -would beget the other soul? Any argument supporting either of these would not be feasible.
— Charaka Samhita, Sharira Sthana — Human Body & Embryology, Chapter 3: Minor Embryology (Khuddika Garbhavakranti Sharira / खुड्डिक गर्भावक्रान्ति शरीर)
However, this also is not true as it is seen that inappropriate food, speech and activities lead to undesirable effects and if these factors are rectified appropriately, desirable effects are seen.
— Charaka Samhita, Sharira Sthana — Human Body & Embryology, Chapter 6: Analysis of the Body (Sharira Vichaya Sharira / शरीर विचय शरीर)
In chronic immune deficient person, there is all possibilities of dhatusaraheenatha (Severe wasting of tissues) can lead to abnormal voice.
— Charaka Samhita, Indriya Sthana — Sensorial Prognosis, Chapter 1: Complexion and Voice Prognosis (Varnasvariyam Indriyam / वर्णस्वरीयम् इन्द्रियम्)
Source: Charaka Samhita, Vimana Sthana — Specific Medical Principles, Chapter 2: Three Types of Gastric Capacity (Trividhakukshiya Vimana / त्रिविधकुक्षीय विमान); Sharira Sthana — Human Body & Embryology, Chapter 1: Enumeration of the Person (Katidhapurusha Sharira / कतिधापुरुष शरीर); Sharira Sthana — Human Body & Embryology, Chapter 3: Minor Embryology (Khuddika Garbhavakranti Sharira / खुड्डिक गर्भावक्रान्ति शरीर); Sharira Sthana — Human Body & Embryology, Chapter 6: Analysis of the Body (Sharira Vichaya Sharira / शरीर विचय शरीर); Indriya Sthana — Sensorial Prognosis, Chapter 1: Complexion and Voice Prognosis (Varnasvariyam Indriyam / वर्णस्वरीयम् इन्द्रियम्)
References in Sharangadhara Samhita
This medicated ghee is especially useful for city dwellers who lead sedentary lifestyles.
— Sharangadhara Samhita, Madhyama Khanda, Chapter 9: Snehakalpana (Oleaginous Preparations - Ghrita and Taila)
The method of purifying Naga (lead) and Vanga (tin): Heat Naga and Vanga until molten and pour them [through a sieve].
— Sharangadhara Samhita, Madhyama Khanda, Chapter 11: Dhatushodhana-Marana (Purification and Calcination of Metals)
This achieves purification of lead and tin.
— Sharangadhara Samhita, Madhyama Khanda, Chapter 11: Dhatushodhana-Marana (Purification and Calcination of Metals)
A second method for calcination of gold: Into molten gold (Galita Kanchana), add one-sixteenth part of lead (Naga).
— Sharangadhara Samhita, Madhyama Khanda, Chapter 11: Dhatushodhana-Marana (Purification and Calcination of Metals)
Verses 10 through 104 describe detailed procedures for the purification (Shodhana) and calcination (Marana) of various metals, minerals, and gems including: Rajata (silver), Tamra (copper), Lauha/Ayas (iron), Naga (lead), Vanga (tin), Yashada (zinc), Mandura (iron oxide/rust), Kamsya (bell-metal), Pittala (brass), Makshika (iron/copper pyrite), Vimala, Tuttha (copper sulphate), Kasisa (green vitriol/iron sulphate), Shilajatu (mineral pitch), Srotanjana, Sphatika (alum), Tankana (borax), Abhraka
— Sharangadhara Samhita, Madhyama Khanda, Chapter 11: Dhatushodhana-Marana (Purification and Calcination of Metals)
Source: Sharangadhara Samhita, Madhyama Khanda, Chapter 9: Snehakalpana (Oleaginous Preparations - Ghrita and Taila); Madhyama Khanda, Chapter 11: Dhatushodhana-Marana (Purification and Calcination of Metals)
References in Sushruta Samhita
The Trapvadi Gana consists of: tin (trapu), lead (sisa), copper (tamra), silver (rajata), gold (suvarna), iron (krishnaloha), and metallic slag (verse 62).
— Sushruta Samhita, Sutra Sthana, Chapter 38: Dravyasangrahaniya Adhyaya - On the Collection of Drugs
six types based on metal (tin, copper, silver, gold, iron, lead);
— Sushruta Samhita, Chikitsa Sthana, Chapter 12: Prameha-Pidaka Chikitsa
A divided state of the Vayu at the time of fecundation may lead to a splitting of the semen and ovum into two or more parts, thus giving rise to the birth of twins or more.
— Sushruta Samhita, Sharira Sthana, Chapter 2: Sukra-Sonita Suddhih Sariram - Purification of Semen and Ovum
The enceinte is called double-hearted (Dauhrida) at the time, whose wishes and desires, not being honoured and gratified, lead to the birth of a paralysed, hump-backed, crooked-armed, lame, dwarfed, defect-eyed, and a blind child.
— Sushruta Samhita, Sharira Sthana, Chapter 3: Garbhavakranti Sariram - Generation and Pregnancy
As an alternative, the said ashes cast in an Anjali-measure (half a seer) in a Ghata-measure (sixty-four seers) of the required water would lead to its purification.
— Sushruta Samhita, Kalpa Sthana, Chapter 3: Jangama-Visha-Vijnaniya
Source: Sushruta Samhita, Sutra Sthana, Chapter 38: Dravyasangrahaniya Adhyaya - On the Collection of Drugs; Chikitsa Sthana, Chapter 12: Prameha-Pidaka Chikitsa; Sharira Sthana, Chapter 2: Sukra-Sonita Suddhih Sariram - Purification of Semen and Ovum; Sharira Sthana, Chapter 3: Garbhavakranti Sariram - Generation and Pregnancy; Kalpa Sthana, Chapter 3: Jangama-Visha-Vijnaniya
Medical Disclaimer: The information on this page is for educational purposes only and is not intended as medical advice. Ayurvedic treatments should be pursued under the guidance of a qualified practitioner (BAMS/MD Ayurveda). Always consult your healthcare provider before starting any new treatment. Content is sourced from classical Ayurvedic texts and may not reflect the latest medical research.