Understanding Ideas of Toxicity in Tibetan Medical Processing of Mercury
Open accessAbstract
<section class="abstract">Duk (dug) in Tibetan language means ‘poison’ and has the connotation of a substance being harmful. In the Tibetan medical tradition, anything which adversely affects our system and causes suffering and pain can be referred to as a poison; for example, the afflictive emotions are labelled ‘mental poisons’. The term duk is coined based on its harmful effects, just like medicine is called men (sman) because of it being beneficial. Tibetan medical practitioners know that mercury is highly toxic. Nevertheless, Tibetan medicine still uses it in the particular form of mercury sulphide as an important ingredient in some multi-compound medicines to treat severe diseases. This is possible because Tibetan pharmacology describes detailed methods of processing mercury, which are complex and long and demand the involvement of highly skilled people and a particular environment. The ability to transform a virtual toxin into a tonic is an invaluable skill based on the in-depth understanding of the characteristics of the various types of duk contained in unprocessed mercury as this article will explore. </section>
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Claims the paper makes
0 of 14 cited sources checked · 0 supported · 0 flagged
- Findingnone given
The medicinal value of a compound is augmented when processed mercury is added.
“We also find that the medicinal value of the compound is augmented when processed mercury is added.”
Quote in the paperSubstantial claim- Rests on an assumption: The author's clinical observations and patient reports are reliable evidence of the safety and efficacy of processed mercury.
- Findingcitation
The 2003 study found higher mercury levels in three of six urine samples.
“However, higher levels of mercury were present in three out of six urine samples.26”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [26]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Findingnone given
Many senior citizens in the Tibetan community remain alive and healthy despite taking purified mercurial compounds for many years.
“I see many senior citizens in our Tibetan community who are still alive and going strong despite taking these purified mercurial compounds for many years.”
Quote in the paperSubstantial claim- Rests on an assumption: The author's clinical observations and patient reports are reliable evidence of the safety and efficacy of processed mercury.
- Findingown data
The 2003 study found no clinically relevant abnormal changes in kidney or liver function.
“There were no clinically relevant abnormal changes in kidney or liver function.”
Quote in the paperSubstantial claim - Findingown data
The use of processed mercury in medicines does not lead to the harmful effects described for unprocessed mercury, as observed in patients.
“We observe in our patients that the use of processed mercury in medicines does not lead to the harmful effects that are described when taking unprocessed mercury.”
Quote in the paperSubstantial claim- Rests on an assumption: The author's clinical observations and patient reports are reliable evidence of the safety and efficacy of processed mercury.
- Premisecitation
Tibetan medicine uses processed mercury in the form of mercury sulphide as an ingredient in multi-compound medicines for severe diseases.
“Nevertheless, Tibetan medicine still uses it in some compounds, yet only in the specific form of mercury sulphide.It is, for example, an important ingredient in some multi-compound precious pills and is used against severe diseases.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [2] Sangyé Gyatso, 2008
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisenone given
In Tibetan medicine, raw mercury's toxicity is expressed as three characteristics: heaviness, penetrative/mobile, and adherent poison.
“in Tibetan medicine the toxicity of mercury in its raw form is also expressed in terms of its characteristics, which are known as the 'poison of heaviness' (lci ba'i dug), 'penetrative/ mobile poison' ('bigs pa'i dug) and 'adherent poison' (rtsi'i dug).”
Quote in the paperSubstantial claim - Premisecitation
Sowa Rigpa developed pharmacological practices that process mercury into a purified mercury sulphide formulation called tsotel.
“Sowa Rigpa also developed pharmacological practices that process mercury into a purified mercury sulphide formulation called tsotel (btso thal).2”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [2] Sangyé Gyatso, 2008
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisenone given
Processed mercury is never used alone but generally in combination with other ingredients in compounded precious pills.
“There are multitudes of health benefits from processed mercury, which is never used singly but generally only in combination with other ingredients in compounded precious medicines, also known as 'precious pills' or 'jewel pills' (rin chen ril bu).”
Quote in the paperNot a substantial claim - Interpretationnone given
The elimination of severe diseases such as lymph diseases and some tumours/cancers after diagnosis and individualized administration of compounds is considered proof by Tibetan physicians.
“The elimination of many severe diseases, for example, lymph diseases and some types of tumours and cancers, after carefully diagnosing the condition and administering some of these compounds individually and according to the constitution of the patient, are to us Tibetan medical physicians a proof in itself.”
Quote in the paperSubstantial claim- Rests on an assumption: The author's clinical observations and patient reports are reliable evidence of the safety and efficacy of processed mercury.
- Premisenone given
Some precious pills are taken prophylactically before long journeys, travel to new places, or during epidemics.
“Some of the precious pills are taken as a prophylactic before setting off on a long journey, travelling to a new place, or when there is an outbreak of an epidemic.”
Quote in the paperNot a substantial claim - Premisecitation
The most popular purification method is the practice of Khédrup Orgyenpa Rinchenpel, comprising cleansing, cooking, and confrontation.
“Of these, the most popular purification method is the last one, which comprises the three processes of (1) 'cleansing' (bkru ba), (2) 'cooking' (btso ba), and (3) 'confrontation' (dgra sprad pa, lit.'meeting the enemy').”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [22]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Classified as probably not a substantial claim. 19
- May combine two claims. 17
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
Findingnone givenAfter purification, mercury's adherent nature is completely removed and its color becomes like a transparent mirror.
“The 'adherent' nature of unprocessed mercury is removed completely during this transformation stage.After the cleansing process the colour of mercury looks like a transparent mirror.”
Quote in the paperNot a substantial claimMay combine two claims.
FindingcitationThe second study with 120 patients in three groups apparently showed no inorganic mercury in blood or urine and no clinical symptoms of toxicity.
“The second study with 120 patients in three groups apparently did not show any inorganic mercury in blood and urine samples and also no clinical symptoms of toxicity.28”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [28]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim: may not pass S3 (load-bearing).
Findingnone givenPurified mercury's penetrative/mobile nature becomes curd-like and can be held between fingers.
“Mercury's 'penetrative' and 'mobile' nature, which is characterised by its mobility and its ability to form globules, is transformed into a curd-like matter, which can be easily held between one's fingers.”
Quote in the paperNot a substantial claimProbably not a substantial claim: may not pass S3 (load-bearing).
Findingnone givenThe author has experienced processed mercury compounds as helpful for alleviating migraine, vomiting and diarrhoea due to indigestion, food poisoning, fever, high blood pressure, hepatic pain, nerve problems, eye disorders, and arthritis.
“Furthermore, I have experienced them as being very helpful for alleviating certain ailments, such as migraine, vomiting and diarrhoea due to indigestion, food poisoning, fever, high blood pressure, hepatic pain, nerve problems, eye disorders, and arthritis.”
Quote in the paperNot a substantial claim- Rests on an assumption: The author's clinical observations and patient reports are reliable evidence of the safety and efficacy of processed mercury.
May combine two claims.
FindingcitationThe 2003 Men-Tsee-Khang pilot study found no evidence of neurotoxic symptoms or inorganic mercury in blood, and no red blood cells or protein in urine after prolonged consumption of mercury sulphide-containing Tibetan medicines.
“The first study revealed that even after prolonged consumption of mercury sulphide containing multi-compound Tibetan medicines, there was no evidence of neurotoxic symptoms or of inorganic mercury in the blood, and there were no red blood cells or protein in the urine.25”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [25]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
Findingnone givenPurified mercury's heavy nature becomes light, demonstrated by ash floating on water rather than sinking.
“The 'heavy' nature of mercury is transformed into a 'light' matter.This can be proven by putting the ash of purified mercury on a glass of water where one can see it easily floating on the surface rather than sinking to the bottom.”
Quote in the paperNot a substantial claimMay combine two claims.
Findingnone givenThe author has used Tibetan medicinal compounds containing processed mercury since 1987 as regular tonics and has not noticed any health hazards.
“I myself have been using these Tibetan medicinal compounds containing processed mercury since 1987 as regular tonics and have not noticed any health hazards.”
Quote in the paperNot a substantial claim- Rests on an assumption: The author's clinical observations and patient reports are reliable evidence of the safety and efficacy of processed mercury.
May combine two claims.
FindingcitationIn the 2003 study, Group I had more loose teeth, which could be a non-specific sign of mercury toxicity or due to age, since poor dental hygiene is prevalent among older Tibetans and Group I subjects were significantly older.
“Group I, which took mercury sulphide containing Tibetan medicines, had more loose teeth,27 which could be a non-specific sign of mercury toxicity or due to age, since it is a sign of poor dental hygiene prevalent among older Tibetans (subjects in Group I were significantly older).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [27]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationMercury is classified into two types: wild, which is whitish and highly fluid, and mild, which is slightly bluish and less fluid.
“Mercury itself is classified into two types: 'wild' and 'mild' .The 'wild' type (rgod pa) is whitish and has a highly fluid nature, and the 'mild' type (gyung ba) is a little bluish and less fluid.14”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [14]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationMercury is known by 30 different names in Tibetan materia medica texts.
“Mercury is known by 30 different names in Tibetan materia medica texts, such as 'supreme of all liquids' (khu ba'i dbang po), 'great essence' (khams chen po), 'swan's feet' (ngang pa'i rkang pa), 'king of penetration' ('bigs byed rgyal po), and 'moon shape' (zla ba'i gzugs can).10”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [10] Wujastyk, 1984, ‘An Alchemical Ghost: The Rasaratnākara by Nāgārjuna’, Ambix source
May combine two claims.
InterpretationreasoningThe penetrative/mobile nature of unprocessed mercury means it rapidly passes through bodily passages and spreads throughout the system, leaving no time to counteract its effects.
“It means that mercury passes through the passages and immediately disseminates into the entire system of the body, making it vulnerable.”
Quote in the paperSubstantial claim- Rests on an assumption: The three toxic characteristics attributed to unprocessed mercury in Tibetan medicine accurately describe its real effects on the body.
Classified as probably not a substantial claim. May combine two claims.
InterpretationreasoningIngesting unprocessed mercury would stop metabolism because of its heavy nature, halting body functions and causing toxic complications.
“Accordingly, ingesting unprocessed mercury would virtually stop the functioning of metabolism due to the 'heavy' nature of mercury, thus bringing the body functions to a complete halt, which according to Tibetan medicine would be the reason for toxic complications.”
Quote in the paperSubstantial claim- Rests on an assumption: The three toxic characteristics attributed to unprocessed mercury in Tibetan medicine accurately describe its real effects on the body.
Classified as probably not a substantial claim.
PremisereasoningMercury is classified in Tibetan medicine under inanimate cold poisons.
“Accordingly, mercury or ngülchu is classified under 'inanimate cold poisons' .”
Quote in the paperSubstantial claimClassified as probably not a substantial claim. May combine two claims.
PremisecitationTibetan pharmacology texts describe detailed, complex, long methods of processing mercury that require highly skilled people and a particular environment.
“This process is very complex and long and demands the involvement of highly skilled people and a particular environment.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [17]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationTibetan texts mention 14 different methods of purifying mercury.
“Generally, 14 different methods of purifying mercury are mentioned in the texts:18”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [18]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
Premisenone givenAt Men-Tsee-Khang, numerous doctors have received traditional lineage transmission of mercury processing and have long-term practical experience.
“At the Men-Tsee-Khang, numerous doctors have received the traditional lineage transmission of this practice and have long-term practical experience.”
Quote in the paperNot a substantial claimProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
Premisenone givenCleansing removes mercury's oxide/tarnish and adherent nature.
“'Cleansing' removes the 'oxide' or 'tarnish' (g.ya') and the 'adherent' nature of mercury.”
Quote in the paperNot a substantial claimClassified as probably not a substantial claim. May combine two claims.
InterpretationreasoningThe adherent nature of unprocessed mercury means it stays in the body like oil absorbed by cloth and cannot be purged, causing the body to waste away during cleansing.
“Like the oil clinging to the piece of cloth, the 'adherent poison' of the mercury stays with the body.The cloth wastes away on trying to wash off the oil stain; similarly the body literally gets tormented and wastes away in the process of cleansing and purging the toxic mercury.”
Quote in the paperSubstantial claim- Rests on an assumption: The three toxic characteristics attributed to unprocessed mercury in Tibetan medicine accurately describe its real effects on the body.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationAccording to the Gyüshi, purified mercury in Rinchen Drangjor Chenmo acts as an antidote against any form of poisoning.
“and it is known to act as an antidote against any form of 'poisoning' (dug nad).23”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [23]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
May combine two claims.
Premisenone givenTibetan medicinal compounds containing processed mercury are considered highly potent and have been used for centuries on humans.
“Tibetan medicinal compounds containing processed mercury are considered highly potent and have been used for centuries on humans.”
Quote in the paperSubstantial claimClassified as probably not a substantial claim.
Premisenone givenCooking removes mercury's heavy and penetrative characteristics.
“'Cooking' removes the characteristics of 'heavy' and 'penetrative' .”
Quote in the paperSubstantial claimProbably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationAccording to the Gyüshi, purified mercury in Rinchen Drangjor Chenmo acts as a tonic due to its smoothness and lightness.
“For example, purified mercury in the precious pill Rinchen Drangjor Chenmo (rin chen grang sbyor chen mo) is said to act as a tonic due to its smoothness and lightness.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [23]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationAccording to the Gyüshi, purified mercury in Rinchen Drangjor Chenmo disintegrates tumours, controls diphtheria, muscle inflammations, and leprosy.
“It is supposed to disintegrate and dissolve 'tumours' (skran), control 'diphtheria' (gag pa), 'inflammations of the muscles' (lhog pa), and 'leprosy' (mdze nad).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [23]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
May combine two claims.
PremisereasoningUnprocessed mercury is recognized as the most dangerous poison in Tibetan pharmacology, but after standard purification it is revered as the highest potent medicine.
“Unprocessed mercury is recognised as the most dangerous poison in Tibetan pharmacology; however, it is equally revered as the highest potent medicine after subjecting it to a standardised and complex purification method called dülwa in Tibetan, which literally means 'to tame' or 'to subdue' , as already explained above.”
Quote in the paperSubstantial claimProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisereasoningConfrontation mixes semi-processed mercury with ingredients including sulphur, transforming liquid mercury into solid powder and changing its original nature.
“'Confrontation' involves mixing the semi-processed mercury, which was already subjected to cleansing and cooking, with various ingredients, including sulphur (mu zi).'Confrontation' transforms the liquid matter into a solid powder state, thus virtually transforming the original nature of mercury.”
Quote in the paperNot a substantial claimClassified as probably not a substantial claim.
Premisenone givenTibetan medicinal compounds containing processed mercury have been based and developed through long-established theory and practical experience.
“They have been based and developed through long-established theory and practical experience.”
Quote in the paperSubstantial claim
The paper relies on this without support.
The three toxic characteristics attributed to unprocessed mercury in Tibetan medicine accurately describe its real effects on the body.
“in Tibetan medicine the toxicity of mercury in its raw form is also expressed in terms of its characteristics, which are known as the 'poison of heaviness' (lci ba'i dug), 'penetrative/ mobile poison' ('bigs pa'i dug) and 'adherent poison' (rtsi'i dug).”
The paper relies on this without support.
The author's clinical observations and patient reports are reliable evidence of the safety and efficacy of processed mercury.
“We observe in our patients that the use of processed mercury in medicines does not lead to the harmful effects that are described when taking unprocessed mercury.”
Cites
Mercury in traditional Tibetan medicine-panacea or problem?
Sallon, S., Namdul, T., Dolma, S., Dorjee, P., Dolma, D. H. S. T., Sadutshang, T. D., Ever-Hadani, P., Bdolah‐Abram, T., Apter, S., Almog, S., et al. (2006) · Human & Experimental Toxicology · doi:10.1191/0960327106ht639oa · Cited by 22 · see citing works
Self-citation‘An Alchemical Ghost: The Rasaratnākara by Nāgārjuna’
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Materia Medica of Tibetan Medicine: Identification, Quality Check and Protection Measures
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Flagged first, then by citations
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The Buddhist–Medical Interface in Tibet: Black Pill Traditions in Transformation
Gerke, B. (2019) · Religions · doi:10.3390/rel10040282 · Cited by 6 · see citing works
“They have been regarded as providing protection from epidemics and have been used to treat poisoning, fevers, malignant tumors, infections, neural disorders, strokes, and epilepsy (Sonam Dolma 2013).”
BackgroundBioethical Threads in the Reflection of Tibetan Refugees in India
Lisiecki, M. (2021) · Religions · doi:10.3390/rel12060436 · Cited by 2 · see citing works
“…it is for this reason that this text—as Fenner points out—is the principal textbook of Tibetan medicine, and it is cited frequently in almost all Tibetan medical literature and is the text Tibetan medical students must master before becoming physicians (Fenner 1996, p. 458; Dolma 2013, p. 106).”
BackgroundExploring Cinnabar: A Natural Resource for Self‐Powered Electrochemical Photodetector Application
Phogat, P., Shreya, Jha, R., et al. (2025) · ChemistrySelect · doi:10.1002/slct.202405641 · Cited by 1 · see citing works
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A gso sbyong és a smyung gnas jelentősége a tibeti apácák lelkigyakorlataiban
Kvacsány, T. (2025) · Távol-keleti Tanulmányok · doi:10.38144/tkt.2025.2.3
- Authors
- Dolma, S.
- Affiliations
- Men-Tsee-Khang (IN)
- Corresponding author
- Dolma, Sonam
- ORCID
- Dolma, Sonam
- Venue
- Asian Medicine
- Publisher
- Walter de Gruyter GmbH
- Published
- 2013-09-17
- Volume
- 8
- Issue
- 1
- Pages
- 106-119
- ISSN
- 1573-420X (ISSN-L)
- 1573-4218
- OpenAlex
- W2041124327
- Cited by
- 8
- References
- 3
- Citations by year
- 2025: 2 · 2021: 1 · 2019: 1 · 2018: 1 · 2015: 2
- FWCI
- 0.57
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Asian Medicine (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Mercury impact and mitigation studies
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Heavy Metal Exposure and Toxicity
- Keywords
- Tibetan medicine, mercury, toxicity, mercury sulfide
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