Prakriti (dosha) assessment

Ayurveda holds that each person has a lifelong constitution, Prakriti, made up of a particular mix of the three doshas Vata, Pitta and Kapha, and uses it as the basis of individualised care. Reviews of the research count dozens of Prakriti assessment questionnaires, algorithms and devices, of which only a minority have had any reliability or validity testing, and agreement between assessors or between repeat questionnaires on the final Prakriti type has often been fair to poor. A few small studies, mainly in Indian adults, report genetic and biochemical differences between people classified as extreme Vata, Pitta or Kapha types, but these findings are early and not established. Prakriti remains a research construct rather than a validated measure.

Mind

Evidence retrieved up to 15 October 2026

What the research shows

Agreement on Prakriti type has been inconsistent: in small studies, experienced Ayurvedic assessors agreed only fair-to-poorly on constitution, and repeated self-report questionnaires gave variable type results, although one newer self-report inventory reported high test-retest reliability.

Low certainty

Further research is likely to change this.

No known concerns at usual amountsUnclear

Who this is about

adults assessed with Ayurvedic constitutional questionnaires or clinical examination

Practical note

Graded low: small samples (30 patients and 4 assessors; 19 questionnaire respondents) give imprecise estimates, and results are inconsistent across tools; the larger 2026 inventory study (1857 adults) was run by its own developers. The assessor study reported kappa values between 0 and 0.4 for Prakriti; the self-report study retested after one month.

Sources

Supports “the three questionnaires had moderately good test-retest reliability according to numerical scores, but highly variable reliability according to discrete Ayurveda diagnosis.” (Abstract, Results) Dunlap C, Hanes D, Elder C, Nygaard C, Zwickey H. 2017. Journal of Ayurveda and Integrative Medicine. Reliability of self-reported constitutional questionnaires in Ayurveda diagnosis. publisher copyright; metadata and short quotes only; Courtesy of the U.S. National Library of Medicine
Supports “largely yielded fair-to-poor inter-rater agreement kappas for central diagnostic aspects such as prakriti and agni (κ values between 0 and 0.4)” (Abstract, Results) Kessler CS, Morandi A, Kumar A, Dhiman KS, Gupta S, Icke K, Bühner C, Stapelfeldt E, Wischnewsky M, Kronpaß L, Murthy V, Michalsen A, Witt CM. 2019. Journal of Alternative and Complementary Medicine. Reliability of Ayurvedic Diagnosis for Knee Osteoarthritis Patients: A Nested Diagnostic Study Within a Randomized Controlled Trial. publisher copyright; metadata and short quotes only; Courtesy of the U.S. National Library of Medicine
Opposes “Test-retest reliability was high (ICCs 0.83-0.90).” (Abstract, Results) Bhargav H, Chikkanna U, Holla B, Arya R, Daga R, Jasti N, Amlani S, Santhosh C, Sanker V, Soman A, Unnikrishnan K, Shivakumar V, Varambally S, Ramakrishna KK. 2026. Wellcome Open Research. The Brief Prakriti Inventory: Latent structure, reliability, and validity. publisher copyright; metadata and short quotes only; Courtesy of the U.S. National Library of Medicine

Small studies in Indian adults have reported differences in genetic variants, gene expression and routine blood measures between people classified as extreme Vata, Pitta or Kapha types, but these correlates are not established or replicated across populations.

Very low certainty

This is uncertain; treat it as a lead, not a finding.

No known concerns at usual amountsUnclear

Who this is about

healthy Indian adults classified into extreme Prakriti types

Practical note

Graded very low: observational comparisons of selected extreme types (262 men in the genome-wide study; a smaller expression study), largely from one population, with classification done by tools that mostly lack validation; a 2025 review found only five of 32 categories of measurable correlates had been studied with validated tools.

Sources

Supports “We found 52 SNPs (p ≤ 1 × 10(-5)) were significantly different between Prakritis, without any confounding effect of stratification, after 10(6) permutations.” (Abstract) Govindaraj P, Nizamuddin S, Sharath A, Jyothi V, Rotti H, et al. 2015. Scientific Reports. Genome-wide analysis correlates Ayurveda Prakriti. publisher copyright; metadata and short quotes only; Courtesy of the U.S. National Library of Medicine
Supports “Individuals from the three most contrasting constitutional types exhibit striking differences with respect to biochemical and hematological parameters and at genome wide expression levels.” (Abstract, Results) Prasher B, Negi S, Aggarwal S, Mandal AK, Sethi TP, et al.; Indian Genome Variation Consortium; Mukerji M. 2008. Journal of Translational Medicine. Whole genome expression and biochemical correlates of extreme constitutional types defined in Ayurveda. publisher copyright; metadata and short quotes only; Courtesy of the U.S. National Library of Medicine
Context “Additionally, 32 categories of measurable correlates to Prakriti have been studied across 94 studies, but only five of them were studied using validated tools.” (Abstract, Results) Venkatesh A, Johansson L, Sivanandan PV, Gopakumar SP, Sankaranarayanan K, Kessler CS, Ravani S, Puthiyedath R. 2025. Frontiers in Medicine. Prakriti (constitutional typology) in Ayurveda: a critical review of Prakriti assessment tools and their scientific validity. CC BY (Creative Commons Attribution License, as stated on the page); credit Venkatesh et al., Frontiers in Medicine 2025

Most published Prakriti assessment tools (questionnaires, algorithms and devices) have had little or no reliability or validity testing, and none yet fully meets standard scale-development and validation criteria.

Moderate certainty

Further research may change the size of the effect.

No known concerns at usual amountsUnclear

Who this is about

published Prakriti assessment tools used with adults

Practical note

Graded moderate: two independent 2025 reviews with structured searches (94 studies and 64 tools; 32 studies) agree that validation is sparse; downgraded one level because neither was a pre-registered systematic review, and one lacked dual review and included English-language journals only. In the larger review, 20 of 64 tools had any validation and only two (CCRAS-PAS and ACPI) met seven of nine criteria.

Sources

Supports “Sixteen studies utilized questionnaires for Prakriti assessment, of which three were validated, six had established reliability, and three had both reliability and validity confirmed.” (Abstract, Results) Gupta A, Singh V, Chandra S, Garg R. 2025. Journal of Ayurveda and Integrative Medicine. Towards standardization of Prakriti Evaluation: A scoping review of modern assessment tools and their psychometric properties in Ayurvedic medicine. publisher copyright; metadata and short quotes only; Courtesy of the U.S. National Library of Medicine
Supports “Of the 64 PATs identified, only 20 PATs underwent any form of validation and among them, just two PATs, the CCRAS-PAS software and ACPI scale met seven of the nine recommended criteria.” (Abstract, Results) Venkatesh A, Johansson L, Sivanandan PV, Gopakumar SP, Sankaranarayanan K, Kessler CS, Ravani S, Puthiyedath R. 2025. Frontiers in Medicine. Prakriti (constitutional typology) in Ayurveda: a critical review of Prakriti assessment tools and their scientific validity. CC BY (Creative Commons Attribution License, as stated on the page); credit Venkatesh et al., Frontiers in Medicine 2025
Context “Most tools lacked dimensionality testing, test–retest reliability, contextual validity and were not tested across diverse populations, indicating a high risk of developer-bias.” (Abstract, Results) Venkatesh A, Johansson L, Sivanandan PV, Gopakumar SP, Sankaranarayanan K, Kessler CS, Ravani S, Puthiyedath R. 2025. Frontiers in Medicine. Prakriti (constitutional typology) in Ayurveda: a critical review of Prakriti assessment tools and their scientific validity. CC BY (Creative Commons Attribution License, as stated on the page); credit Venkatesh et al., Frontiers in Medicine 2025

What the tradition holds

Ayurveda holds that each person has a lifelong constitution (Prakriti) defined by a particular mix of Vata, Pitta and Kapha, and treats assessment of that constitution as the foundation of individualised care.

No known concerns at usual amountsUnclear

Who this is about

people assessed within Ayurvedic practice

The tradition's frame

Ayurveda

Ayurveda describes Prakriti as the constitution a person is born with, set by the relative proportions of the three doshas (Vata, Pitta and Kapha) at conception and unchanged through life; texts and modern tools group people into seven (or, in some schemes, ten) Prakriti types, and Ayurvedic practitioners tailor lifestyle and care to that type.

Practical note

Sources differ on the number of types: one review describes seven primary physical types, another describes ten types used by modern tools.

Vegan note

Prakriti assessment itself involves no foods or animal products.

Safety note

Prakriti typing is a traditional descriptive framework, not a medical diagnosis; it has no established role in identifying or ruling out any health condition.

Sources

Supports “Prakriti is believed to remain unchanged throughout one's life span, and based on the relative preponderance of doshas, it has been classified into ten types.” (Abstract, Background) Gupta A, Singh V, Chandra S, Garg R. 2025. Journal of Ayurveda and Integrative Medicine. Towards standardization of Prakriti Evaluation: A scoping review of modern assessment tools and their psychometric properties in Ayurvedic medicine. publisher copyright; metadata and short quotes only; Courtesy of the U.S. National Library of Medicine
Supports “Prakriti or constitutional typology is the foundation of personalized health care in Ayurveda.” (Abstract, Background) Venkatesh A, Johansson L, Sivanandan PV, Gopakumar SP, Sankaranarayanan K, Kessler CS, Ravani S, Puthiyedath R. 2025. Frontiers in Medicine. Prakriti (constitutional typology) in Ayurveda: a critical review of Prakriti assessment tools and their scientific validity. CC BY (Creative Commons Attribution License, as stated on the page); credit Venkatesh et al., Frontiers in Medicine 2025
Context “The physical constitution reflects a unique configuration of the three doshas (Tridosha) of Vata, Pitta, and Kapha ( 134 ) resulting in seven primary types.” (Discussion) Venkatesh A, Johansson L, Sivanandan PV, Gopakumar SP, Sankaranarayanan K, Kessler CS, Ravani S, Puthiyedath R. 2025. Frontiers in Medicine. Prakriti (constitutional typology) in Ayurveda: a critical review of Prakriti assessment tools and their scientific validity. CC BY (Creative Commons Attribution License, as stated on the page); credit Venkatesh et al., Frontiers in Medicine 2025