Is Ayurveda evidence-based? Partly. A 2023 bibliometric analysis of 3,903 Ayurveda clinical articles indexed in India's AYUSH Research Portal found that fewer than 5% met the standard for Grade A evidence, meaning properly conducted randomized controlled trials. That is not a verdict on whether Ayurveda works. It is a measurement of how much of the field's published research meets the bar the rest of modern medicine is held to, and that bar is being closed faster than most people realize.
This guide answers the question in full: what "evidence-based Ayurveda" actually means, what the 2023 study found, what has changed since, and what a clinic can do today to build its own evidence rather than wait for someone else to build it.
What does "evidence-based Ayurveda" mean?
Evidence-based Ayurveda means applying the same standards of structured observation, controlled comparison and peer-reviewed publication that the rest of clinical medicine uses, without discarding the diagnostic framework, Prakriti, dosha balance, individualised formulation, that makes Ayurveda what it is. It is the difference between "this formulation is traditionally used for this condition" and "in a controlled comparison, this formulation produced a measurably better outcome, and here is the published data."
A tradition's long use is real evidence of something. It tells you a treatment is not obviously dangerous and has plausible value. It does not, on its own, tell a regulator, an insurer or a referring physician which of two formulations performs better for a specific patient. That second kind of evidence is what the phrase is really asking for.
What did the 2023 study actually find?
The study, published in the journal Ayu, is titled "Clinical studies in Ayurveda: a bibliometric analysis of articles indexed in AYUSH research portal" (Thrigulla et al., 2023). It took the 3,903 Ayurveda clinical study articles indexed in the portal as of 30 June 2020 and graded each one by its level of evidence, following the WHO guidelines for research on traditional medicine.
The headline finding is that fewer than 5% of the 3,903 articles reached Grade A, meaning randomized controlled trials. The paper's own results table reports 144 Grade A articles, 725 Grade B and 3,034 Grade C, out of 3,903. If you check that arithmetic, 144 divided by 3,903 is about 3.7%, not the 4.5% that the abstract states. The discrepancy is real and worth knowing about if you ever quote this paper: the abstract and the results table do not agree exactly, so the safest public statement is "fewer than 5%" rather than a single precise figure for any grade.
In this scheme, Grade B means well conducted clinical studies but no randomized trial, and Grade C means evidence from expert committee reports, opinion or the clinical experience of respected authorities, in the absence of directly applicable studies of good quality. That most published Ayurveda research sits in Grade C is not a surprise to anyone inside the field. It describes where the infrastructure to capture rigorous data has been thin, historically, not whether the treatments themselves are effective.
Why isn't tradition enough on its own?
Centuries of continued clinical use are a meaningful signal. They are not the same kind of evidence a regulator is trained to evaluate. Longevity tells you a treatment is probably not acutely dangerous and probably has some value, or it would have been abandoned. It does not tell you, for a specific patient with a specific presentation, which of two available options is more likely to help.
Evidence-based practice does not ask a vaidya to choose between the tradition and the proof. It asks the tradition to generate its own proof, from its own patients, using methods the rest of medicine already trusts.
What is changing, and how fast?
The shift is real and it is institutional, not just academic.
Research output is diversifying. Alongside the older case-report literature, recent years have produced systematic reviews and meta-analyses on named conditions, published in indexed journals, with authors, methods and results that can be checked.
Terminology is being standardised. The Ministry of Ayush's NAMASTE portal (National Ayush Morbidity and Standardized Terminologies Electronic) assigns standard codes to Ayurvedic, Siddha and Unani diagnoses, and these are now being mapped to the WHO's ICD-11 Traditional Medicine Module 2 (TM2). This only makes sense as a project if Ayurvedic clinical data is meant to become structured and comparable across clinics and countries, not anecdotal and locked inside individual case books.
International policy is paying attention. The World Health Assembly adopted the WHO Global Traditional Medicine Strategy 2025 to 2034 on 27 May 2025, with strengthening the evidence base as one of its four strategic objectives. The WHO Global Traditional Medicine Centre operates from Jamnagar, Gujarat.
Clinical trial registration is routine, not exceptional. Ayurveda trials are registered before they start on the Clinical Trials Registry of India (CTRI), the same registry every other branch of medicine uses, which is what allows a trial to be checked and trusted later. The Central Council for Research in Ayurvedic Sciences (CCRAS), under the Ministry of Ayush, funds and runs much of this research.
None of this erases the 2023 finding. It describes the direction the gap is closing from.
How does a clinic start generating its own evidence?
This is the part most guides skip. Evidence-based practice is not only something journals do. It is something a clinic builds visit by visit, if it records the right things consistently.
1. Record outcomes as structured data, not narrative notes
A free-text note that a patient "improved" cannot be compared across patients or over time. A symptom score, a lab value or a functional measure, recorded the same way at every visit, can be.
2. Start with two or three conditions, not all of them at once
Pick the conditions your clinic sees most often and build consistent, structured records there first. Depth on a few conditions beats shallow coverage of everything.
3. Compare like with like
When comparing two formulations or approaches, confirm the patient groups are genuinely comparable in severity, duration and baseline before drawing any conclusion from the difference.
4. Separate a case observation from a controlled comparison
A single patient's good outcome is a case observation, and it is worth recording. A pattern across dozens of comparable patients, tracked consistently, is closer to a controlled comparison. Know which one you are making, and say so.
5. Keep records structured enough to share with researchers
Clinics with large, consistent, well-documented datasets are exactly what research bodies such as CCRAS and academic partners look for when designing the next generation of properly powered studies.
6. Track the full course of care, not just a before-and-after snapshot
A single before-and-after comparison is weaker evidence than a trajectory showing how a patient responded over weeks or months. Record at every visit, not only at the first and the last.
7. Revisit every comparison as the data grows
A comparison based on ten patients deserves a second look once there are fifty. Evidence-based practice is a discipline that is repeated, not a report that is filed once.
How do you measure whether your clinic is actually building evidence?
- Percentage of visits with structured outcome data. Not narrative notes: a scored, comparable measure, recorded the same way every time.
- Sample size per comparison. Track whether a comparison is growing from a handful of patients toward numbers a researcher would take seriously.
- Time to answer an evidence question. When a physician asks which approach performed better for a condition, measure how long it takes to get an answer grounded in the clinic's own data.
- Consistency across physicians. If different doctors record the same condition differently, the data cannot be pooled. Audit for this directly, and fix it before it compounds.
Frequently asked questions
Is Ayurveda backed by science?
Some of it, and that share is growing. A 2023 analysis found that fewer than 5% of 3,903 indexed Ayurveda clinical articles were Grade A randomized controlled trials, which describes an evidence gap in study design, not a verdict on whether specific treatments work.
What counts as Grade A evidence in this field?
Under the WHO guidelines the 2023 study used, Grade A requires at least one randomized controlled trial within a body of good quality, consistent evidence on the specific question.
Why do so few Ayurveda studies reach that standard?
Partly history: large, well-funded trial infrastructure for Ayurveda is newer than for pharmaceutical medicine, so the published base still has more case reports and reviews than controlled trials. That infrastructure, including CTRI registration, CCRAS funding and the NAMASTE terminology standard, is being built now.
Can a single clinic contribute to the evidence base?
Yes, by recording outcomes as structured, comparable data rather than narrative notes, and by keeping those records consistent enough across physicians to be pooled or shared with researchers later.
The bottom line
The honest answer to "is Ayurveda evidence-based" is: partly, and the share that is properly evidenced is growing. The 2023 bibliometric study is a fair, citable description of where the field's research currently sits, not a final judgment. The way any individual clinic moves the number is the same way clinical medicine always has: structured records, consistent measurement, and a willingness to look again as the data grows.
If your clinic wants to turn its own patient records into exactly that kind of structured evidence, explore MEDHAS, or read our next guide on how to track which Ayurvedic treatments work.
References
- Thrigulla SR, Sridevi V, Vamshi Krishna B, et al. Clinical studies in Ayurveda: a bibliometric analysis of articles indexed in AYUSH research portal. Ayu 2023;43(3):75 to 81.
- Ministry of Ayush. NAMASTE Portal (National Ayush Morbidity and Standardized Terminologies Electronic). namaste.ayush.gov.in.
- India's roadmap for ICD-11 TM2 implementation. International Journal of Ayurveda Research, 2025.
- World Health Organization. Global Traditional Medicine Strategy 2025 to 2034. who.int.
- Press Information Bureau, Government of India. India Reinforces Commitment to WHO Global Traditional Medicine Strategy at 78th World Health Assembly, May 2025. pib.gov.in.
- Central Council for Research in Ayurvedic Sciences (CCRAS), Ministry of Ayush. ccras.nic.in.
- Clinical Trials Registry, India (CTRI). ctri.nic.in.
MEDHAS supports clinical documentation, review and clinic operations. Clinical decisions remain the responsibility of the treating practitioner.