Here is a quick experiment anyone can repeat. Search the National Library of Medicine’s database for Unani medicine together with systematic reviews, randomized trials and temperament theory, and the searches come back nearly empty. Two of them, run for this article in October 2026, returned exactly one paper each.
Both of those papers were written by faculty at Indian government institutes of Unani medicine. Neither tested a Unani treatment. One was a review of what classical Unani texts say about sciatica, and the other was about Persian medicine. Search the same database for Unani plus reviews and trials and you mostly retrieve papers written by Unani institutions rather than papers about Unani treatments.
That is the evidence base in one observation, and it sits awkwardly beside the institutional picture. Unani is not a fringe interest. India’s statutory education regulator counted 56 Unani medical colleges in the country as of 8 February 2025, with 36 of them private and 17 of the total in Uttar Pradesh alone.
And in the United States, Unani is close to invisible: no state licence, no register, no protected title, and no entry in the federal government’s own index of complementary health topics. All three of those things are true at the same time, and an honest article says so plainly rather than picking one.
What the system says about itself
Unani descends from the Greek and Arabic medical tradition, and its name carries that history: Unani means Ionian. It shares its intellectual ancestry with the Hippocratic and Galenic writings that organized European medicine for two thousand years, transmitted and expanded through medieval Arabic and Persian physicians, and it developed its institutional home in South Asia.
Its explanatory framework is humoral, and the following is the tradition’s own account of itself rather than a description of human physiology. In a 2025 review published in Alternative Therapies in Health and Medicine, physicians from the regimenal therapy departments of the National Institute of Unani Medicine in Bengaluru and a college in Jammu and Kashmir set out how the system handles sciatica. Sciatica there is attributed to a derangement in the quality and quantity of akhlat, the humours. Treatment is then selected according to the patient’s mizaj, or temperament, the humour held responsible, the faculty of the organ involved, and how severe the condition is. That is the paper’s account of one condition, not a general theory of disease it sets out.
The same paper names four treatment categories that structure the whole system: ilaj bil tadbir, regimenal therapy; ilaj bil taghdhiya, dietotherapy; ilaj bil dawa, pharmacotherapy; and ilaj bil yad, surgery.
Those four categories explain something that confuses newcomers. Unani is not a herbal pharmacy with a philosophy attached. It is a full clinical system with a diagnostic method, a dietary arm, a hands-on arm and a surgical arm, and India teaches it as a degree in medical colleges with teaching hospitals attached.
Note what that framework is and is not. It is a coherent, internally consistent system of reasoning with a documented literature behind it. It is not a claim that has been tested as a mechanism, and treating temperament theory as physiology would misrepresent both the tradition and the science.
The traffic between this tradition and Europe’s ran both ways, and there is good historical evidence for it. The historian Paula De Vos, whose 2010 study of twelve European medical texts is this library’s spine for European herbalism, groups Arabic Unani medicine with Chinese medicine and Indian Ayurveda as traditional medicine systems, and documents that medieval Arabian authors added a number of Asian-origin ingredients to the European drug list. The European branch of that shared humoral inheritance has its own article here. Unani kept the framework Europe abandoned.
India’s institutional framework, with the dates attached
Unani sits inside a large government structure. Education and practice are regulated under the National Commission for Indian System of Medicine Act, enacted in September 2020, which replaced the Indian Medicine Central Council Act of 1970. Drug regulation runs through the Drugs and Cosmetics Act of 1940 and its 1945 rules, with an Ayush vertical inside India’s central drug regulator overseeing Ayurveda, Siddha, Unani and Homoeopathy medicines.
Research sits with the Central Council for Research in Unani Medicine, and there are National Institutes of Unani Medicine at Bengaluru and at Ghaziabad. A pharmacopoeia commission develops written standards for these drugs and has produced 2,259 single-drug monographs across the four systems.
The college count is the cleanest Unani-specific national figure available. The regulator’s list dated 8 February 2025 gives 56 colleges: 15 government, including two National Institutes and one central government college, four government-aided, one deemed university and 36 private. Uttar Pradesh holds 17, Maharashtra seven, Karnataka six and Bihar five.
Now the numbers you will see quoted, with the warning they need. A December 2025 government publication on India’s traditional medicine systems gives 3,844 Ayush hospitals, 36,848 Ayush dispensaries, more than 755,780 registered Ayush practitioners, 886 undergraduate and 251 postgraduate colleges, and annual intake of 59,643 undergraduate and 7,450 postgraduate seats, as of 2024.
Every one of those is an aggregate across Ayurveda, Yoga and Naturopathy, Unani, Siddha, Sowa-Rigpa and Homoeopathy together. The document gives no breakdown by system. Anyone who hands you “755,780 Unani practitioners,” or who divides that total by six, has invented a figure. No reliable Unani-specific national practitioner count could be located for this article.
The ministry’s own decade review has the same limitation in a different place. Its seat figures are presented under a four-system label covering Ayurveda, Siddha, Unani and Homoeopathy together, so the undergraduate and postgraduate intake numbers in it cannot be attributed to Unani either. Spending is reported the same way. By the ministry’s own account its budget roughly tripled across the decade to 2023-24, and no Unani line item appears anywhere in the document.
India’s own auditors found a different picture
The growth story has a counterweight, and it comes from India’s supreme audit institution rather than from critics abroad.
The Comptroller and Auditor General’s performance audit of public health infrastructure in Andhra Pradesh devotes a chapter to the functioning of Ayush, covering mainly 2017 to 2022 with facility data as of September 2022. For Unani specifically it found no government Unani medical college in the state, one private college at Kurnool, and two government Unani hospitals with 20 beds each. Of 74 government Unani dispensaries, 36 had a regular medical officer, 36 ran under an officer holding additional charge, and two had none at all. Of 69 sanctioned compounder posts for those dispensaries, 34 were filled.
Across all the Ayush systems in that state the audit found 1,532 of 2,730 sanctioned posts vacant, about 56 percent, including 262 of 576 medical officer posts. Of 587 national health mission dispensaries allocated to the state, 451, or roughly 92 percent, had closed for want of medical officers since April 2017.
That is one state, not the country, and it should not be generalized. It is also a government audit of a government programme, which makes it the most useful corrective available to a reader who has only seen the ministry’s own figures. Both pictures are Indian official documents, and a fair article carries both.
What the World Health Organization did, and did not, do
You will read that WHO recognizes Unani. What WHO published, on 11 February 2022, is an 80-page document setting benchmarks for the practice of Unani medicine.
Read WHO’s own description of it. The document defines minimum requirements for establishing Unani practice in member states and provides minimum reference standards for safety and quality. WHO says it reflects consensus reached through established WHO processes from the community of practitioners in Unani medicine.
That sentence is the whole point. A benchmarks document records what practitioners in a field agree their practice involves and sets a floor for how it should be delivered. It is not a finding that the practice works, and WHO’s page offers no assessment of effectiveness in either direction. No WHO or national-body evaluation of the Unani evidence base could be located for this article. The institutional position of traditional medicine inside WHO is covered in depth by a separate article in this library.
This distinction is worth holding onto because it recurs across every traditional system. Standard-setting, classification and recognition of a profession are three different institutional acts, and none of them is an efficacy judgment. A country can license practitioners, a body can publish practice benchmarks, and a classification can assign a code, all without anyone having concluded that a given treatment helps.
Disease coding raises the same issue plus a live discrepancy. WHO’s guidance on its classifications says the optional traditional medicine chapter of the eleventh International Classification of Diseases covers conditions originating in ancient China, with work on a second instalment covering Ayurvedic and related diagnostic systems described as under way. India’s Ministry of Ayush gives that instalment a launch date, January 10, 2024 in Delhi, and says the morbidity codes of Ayurveda, Siddha and Unani are now included. The likeliest explanation is not that one account is wrong. WHO’s guidance page carries no publication or last-updated date anywhere on it, only a copyright line, so it may simply predate the launch.
Where Unani is practised outside India
Pakistan has the clearest statutory framework and the murkiest headcount.
The National Council for Tibb, a federal body established under section 3 of the Unani, Ayurvedic and Homoeopathic Practitioners Act of 1965, registers practitioners and oversees education. Its own published figures list 37 recognized Tibb institutions, 27 of them in Punjab, with five in Sindh, four in Khyber Pakhtunkhwa and one in Balochistan. It reports 2,103 qualified tabibs registered to practise Unani medicine, plus 22 holding the BEMS bachelor’s degree, whose length the document does not state. The document attaches no reporting date to those counts.
Against that sits a figure of about 60,000 registered hakims in Pakistan, which circulates widely and is often attributed to WHO. It should not be. The document carrying it is hosted on the website of WHO’s Eastern Mediterranean Regional Office, which is exactly why the misattribution happens, but its three named authors all give their affiliation as Hamdard Foundation Pakistan, a private institution in the Unani field rather than a government body. WHO did not write it.
So two sources, both purporting to count registered Unani practitioners in Pakistan under the same 1965 law, differ by roughly thirtyfold. One is the government regulator. The other is a private foundation with its own interest in how large the field looks. The documents themselves offer nothing that reconciles them, and this article does not guess. If you see either number used, check which it is.
The evidence base, graded honestly
Using this library’s evidence vocabulary, the published research on Unani interventions sits in the bucket called insufficient evidence to assess, and it matters which kind of insufficiency.
This is not a case of a practice too vague to study. Unani prescribes specific named preparations for specific named conditions, which is exactly the kind of claim a trial can test. It is the case where the trials have not been done, or have not been done in a form that reaches the international literature in English.
What a database search does retrieve is instructive. The systematic reviews that surface under a Unani search turn out to review Ayurvedic herbs, general herbal and nutritional supplements, or physiotherapy, written by authors at Unani institutes. The affiliation is Unani. The intervention being reviewed usually is not.
State that as a property of the published record rather than as a verdict on the practice. A thin literature is a reason to be cautious about effectiveness claims and not evidence that a treatment fails.
Heavy metals, and the preparations called kushta
Unani includes a category of preparations called kushta, made by calcining metals and minerals into a fine ash intended for internal use. That the category exists and is studied is established in the peer-reviewed literature: a 2005 paper in Basic and Clinical Pharmacology and Toxicology tested an Ayurvedic gold preparation and the Unani gold preparation kushta tila kalan side by side in rats. That paper establishes the category. It is not a safety study.
The strong prevalence data on metals in South Asian traditional medicines are about Ayurveda, not Unani, and this library’s Ayurveda article owns that literature in full. The headline from it is worth one line here because it is so often misread: a 2008 study in JAMA found US-manufactured products no cleaner than Indian-manufactured ones.
The one Unani-labelled contamination study located for this article is much smaller. A 2012 paper in the Pakistan Journal of Pharmaceutical Sciences used atomic absorption spectroscopy on Pakistani branded herbal products sold for respiratory complaints, explicitly described as from the Unani system, and found detectable metals in every formulation tested. Calculated daily lead intake ranged from 0.86 to 277.44 micrograms and daily cadmium from 1.442 to 10.986 micrograms, while the mercury range began at 0.00 micrograms a day, so at least one product carried no detectable mercury at all. The authors concluded the lead and cadmium levels posed severe risks. It is a small sample in a regional journal with no digital object identifier, and it is the best Unani-specific measurement available.
The injury record in the United States is real and it is documented for Ayurvedic products. A 2004 report from the Centers for Disease Control and Prevention counted 12 adult lead poisonings in five states over the years 2000 to 2003. One patient’s blood lead reached 112 micrograms per decilitre, and a fertility remedy taken four times a day measured 73,900 parts per million lead. That report never mentions Unani, and this article does not transfer its findings onto a system it did not study.
The practical signal: unexplained abdominal pain, constipation, anaemia, or new trouble with memory and concentration in someone taking imported traditional preparations are reasons to ask a clinician specifically about a blood lead test and to bring the product and its packaging to the appointment. Metal poisoning is easy to miss because the early symptoms look like many ordinary complaints, and because nobody thinks to ask about a remedy a patient does not consider a medicine.
One more point of fairness belongs here. The tradition has its own account of why a metal is in a preparation at all. Kushta making is a deliberate pharmaceutical process with prescribed steps, intended to transform the raw metal into something the system regards as usable, and practitioners do not describe it as contamination. Reporting that account and then reporting the measurements are two separate jobs, and collapsing them in either direction gets the story wrong.
What this means if you are in the United States
The answer is short. No US state licenses Unani practitioners. No national professional body, examination, protected title or voluntary register for Unani practice could be located for this article, and that is a negative finding from an unsuccessful search rather than a statute saying so.
The federal health agency that publishes consumer guidance on complementary approaches has entries for Ayurvedic medicine, traditional Chinese medicine and naturopathy. Checked in October 2026, it has none for Unani.
Products sit in the same empty space. In a December 2025 safety communication on heavy metal poisoning, the Food and Drug Administration said flatly that no ayurvedic product has agency approval, and that marketing one to prevent, treat, diagnose or cure disease is unlawful here. Unani appears nowhere in that communication. No Unani medicine has gone through a US approval route, because no Unani medicine shows up in the American regulatory record at all.
Four things are worth establishing before any Unani-labelled product enters the conversation, and each of them is answerable.
Where was it made, and by whom? A named manufacturer with a verifiable address is the minimum. Unlabelled powders or pills brought back from abroad are the pattern that keeps appearing in the US poisoning reports.
Does the ingredient list include a metal or mineral? Preparations in the kushta family contain metal by design, not by accident. If the label does not say, that is itself the answer.
What is it being used instead of? A product taken alongside a prescribed treatment raises interaction questions. A product taken in place of one raises a different and larger problem, and that decision belongs with a clinician.
Who else knows you are taking it? Metal exposure and herb-drug interactions are only findable if the person ordering your blood tests knows to look. This library has a separate article on why that conversation so often does not happen.
Unani is a large, state-supported, intellectually coherent medical system with roughly 56 teaching colleges in one country, a WHO practice-standards document to its name, and almost no controlled-trial literature in English about its own treatments.
Those facts do not cancel each other and should not be collapsed into either a dismissal or an endorsement. The practical consequence for an American reader is narrow and specific: anything you can buy here labelled Unani arrives with none of the institutional apparatus that exists in India, carries no approved indication, and belongs to the product category with the best-documented heavy metal problem in traditional medicine. If you are taking one, the most useful thing you can do is tell the clinician who manages your other medicines, and ask whether a lead level is worth checking.
Sources
- National Commission for Indian System of Medicine (NCISM), India. “List of total Unani Colleges across country as on 08.02.2025 (56 colleges: 15 government including two National Institutes and one central government college, 4 government-aided, 1 deemed, 36 private; Uttar Pradesh 17, Maharashtra 7, Karnataka 6, Bihar 5).” ncismindia.org
- Ministry of Ayush, Government of India. “Towards Holistic Health for All: A Decade of Transformative Growth in Ayush (NCISM Act 2020 replacing the Indian Medicine Central Council Act 1970; Drugs and Cosmetics Act 1940 and Rules 1945; CCRUM; National Institutes of Unani Medicine at Bengaluru and Ghaziabad; 2,259 single-drug monographs; ICD-11 Module 2 statement).” nih.ayush.gov.in
- Press Information Bureau, Government of India. “India's Traditional Medicine Systems: Building Quality, Access and Global Confidence, 16 December 2025 (3,844 Ayush hospitals, 36,848 dispensaries, 755,780+ registered practitioners, 886 undergraduate and 251 postgraduate colleges, 59,643 and 7,450 seats, all as Ayush-wide aggregates with no system breakdown).” static.pib.gov.in
- Comptroller and Auditor General of India. “Chapter X, Functioning of AYUSH, in the Performance Audit on Public Health Infrastructure and Management of Health Services in Andhra Pradesh (audit period mainly 2017-22, facility data as on September 2022; no government Unani college in the state; 74 Unani dispensaries with 36 regular medical officers; 1,532 of 2,730 Ayush posts vacant; 451 of 587 national health mission dispensaries closed since April 2017).”
- World Health Organization. “WHO benchmarks for the practice of Unani medicine, published 11 February 2022, ISBN 9789240042698, 80 pages (minimum requirements and reference standards for safety and quality; WHO's statement that it reflects consensus from the community of practitioners in Unani medicine).” who.int
- World Health Organization. “Frequently Asked Questions: Traditional Medicine (ICD-11 supplementary chapter for optional use; Module I covers conditions originating in ancient China; development of a Module 2 derived from Ayurveda and related diagnostic systems described as started).” who.int
- National Council for Tibb, Government of Pakistan. “Status of the National Council for Tibb (established under section 3 of the UAH Act 1965; 37 recognized Tibb institutions with Punjab 27, Sindh 5, Khyber Pakhtunkhwa 4, Balochistan 1; 2,103 qualified Tabibs registered plus 22 BEMS Tabibs; no reporting date attached to the figures).” nct.gov.pk
- Rashid S, Hannan A, Dar Farooq A, Hamdard Foundation Pakistan (document hosted on the WHO Eastern Mediterranean Regional Office website). “Hamdard Foundation Pakistan: the source of the circulating figure of about 60,000 registered Hakims. Authorship was checked and confirmed: the three named authors are from Hamdard Foundation Pakistan, not WHO, and WHO is not named as author or publisher.”
- Wani KR, Nayab M, Ansari AN, Azeez A. (National Institute of Unani Medicine, Bengaluru, and Kashmir Tibbia College). “Concept of 'Irq al-Nasa (Sciatica) from the Perspective of Unani Literature: A Review. Alternative Therapies in Health and Medicine, 2025;31(6):28-34. PubMed. PMID 40492750 (akhlat, mizaj and the four treatment categories, reported as the tradition's own account of itself).” pubmed.ncbi.nlm.nih.gov
- Saper RB, Phillips RS, Sehgal A, et al.. “Lead, mercury, and arsenic in US- and Indian-manufactured Ayurvedic medicines sold via the Internet. JAMA, 2008;300(8):915-23. PubMed. DOI: 10.1001/jama.300.8.915 (cited for the single comparison used here; the Ayurvedic heavy-metals literature belongs to article 361).” pubmed.ncbi.nlm.nih.gov
- Hina B, Rizwani GH, Shareef H, Ahmed M.. “Atomic absorption spectroscopic analysis of some Pakistani herbal medicinal products used in respiratory tract infections. Pakistan Journal of Pharmaceutical Sciences, 2012;25(1):247-53. PubMed. PMID 22186337 (no DOI; products explicitly described as from the Unani system; detectable Pb, Cd, As and Hg in all formulations).” pubmed.ncbi.nlm.nih.gov
- Shah ZA, Gilani RA, Sharma P, Vohora SB.. “Attenuation of stress-elicited brain catecholamines, serotonin and plasma corticosterone levels by calcined gold preparations used in Indian system of medicine. Basic & Clinical Pharmacology & Toxicology, 2005;96(6):469-74. PubMed. DOI: 10.1111/j.1742-7843.2005.pto_10.x (establishes the Unani kushta category; not a safety study).” pubmed.ncbi.nlm.nih.gov
- Centers for Disease Control and Prevention. “Lead Poisoning Associated with Ayurvedic Medications: Five States, 2000-2003. MMWR 2004;53(26):582, 9 July 2004 (12 adult cases; blood lead to 112 micrograms per decilitre; one pill at 73,900 ppm; the report does not mention Unani).” cdc.gov
- U.S. Food and Drug Administration. “FDA Warns About Heavy Metal Poisoning Associated with Certain Unapproved Ayurvedic Drug Products (content current as of 2 December 2025, published 3 December 2025): no FDA-approved ayurvedic products; disease claims are illegal marketing; Unani is not mentioned.” fda.gov
- National Center for Complementary and Integrative Health, National Institutes of Health. “Health Topics A-Z (checked October 2026: entries for Ayurvedic Medicine, Traditional Chinese Medicine and Naturopathy; no entry for Unani).” nccih.nih.gov
- De Vos P.. “European materia medica in historical texts: longevity of a tradition and implications for future use. Journal of Ethnopharmacology, 2010;132(1):28-47. PubMed. DOI: 10.1016/j.jep.2010.05.035 (groups Arabic Unani medicine with Chinese medicine and Ayurveda; medieval Arabian authors added Asian-origin simples to the European corpus).” pubmed.ncbi.nlm.nih.gov