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History of the Adaptogen Concept: Lazarev, Brekhman and Soviet Research

Who coined the word adaptogen, how Soviet researchers like Lazarev and Brekhman shaped it, where sources disagree on dates, and why the early evidence has limits.

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Information only. This page is about the history of an idea. It does not say any herb treats a condition. Several herbs later grouped as adaptogens have documented cautions with medicines, pregnancy, surgery and the liver: see how medicine interactions work and ask a pharmacist or clinician before using one.

The one-sentence version

"Adaptogen" is a 20th-century word created in Soviet research for substances said to raise the body's non-specific resistance to stress. The plants it was applied to had been used in other medical traditions long before, and the word itself has been redefined several times. [1][2]

Traditional use is a separate story

Ginseng, ashwagandha and others have their own long histories in Chinese, Ayurvedic and other traditions. NCCIH, for example, says Asian ginseng has been used as a calming agent in traditional Chinese medicine and as an adaptogen, and that ashwagandha has been used as a medicinal plant for thousands of years, especially in traditional Ayurveda. [3][4] Those traditions did not use the word "adaptogen". It was applied to these plants later, from outside. Read about them in their own terms in ashwagandha in Ayurveda and ginseng in Chinese medicine. This page covers only the Soviet and later research history of the word.

Who said what, and when

Sources do not agree on the dates. That matters if you see a confident date on a product page.
SourceWhat it saysType
A 2018 review (Chinese Medicine)The term was first proposed in 1940 by N. Lazarev of the USSR. [5]Review
European Medicines Agency committee paper, 2008The term was originally established by N. V. Lazarev in 1947. [2]Regulator reflection paper
2021 review (Nutrients)The term was introduced in 1947 by the Soviet scientist Lazarev. [1]Review
2000 review (J Ethnopharmacol)The definition was first proposed by Soviet scientists in the late 1950s. [6]Review
2026 review (Nutrients)Lazarev first defined the term in the 1950s to 1960s. [7]Review

We cannot settle which date is right from these sources alone. A fair summary is "the mid-20th century, in the USSR, associated with Lazarev."

Brekhman and the ginseng group

I. Brekhman, a Soviet scientist, studied ginseng from about 1950 according to one review. [5] A review of the Soviet literature reports that in the early 1950s Soviet researchers pioneered the study of ginseng and some other plants of the "ginseng group." [8] It adds that because ginseng was rare, it was impractical for mass production of medicines, so researchers shifted to related plants, and four plants were studied and introduced into therapeutic practice between 1955 and 1964. [8]

Two things in that account are worth noticing. First, the research was driven partly by supply: a rare root pushed scientists toward other plants, one of which is eleuthero (Eleutherococcus senticosus, with the older synonym Acanthopanax senticosus). [8][9] For why sourcing still matters today, see regulation and conservation. Second, other plants entered official Soviet medicine on the strength of the same research program: Schisandra chinensis first gained recognition as an adaptogen in the official medicine of the USSR in the early 1960s. [10]

How the definition changed

The wording of the definition shifted over time:
  • Lazarev's idea: a substance that increases non-specific resistance to adverse influences. [2]
  • Brekhman's characteristics (as cited by the EMA, 1968): an adaptogen is almost non-toxic to the recipient. [2] A 2018 review describes later criteria from Brekhman and Dardymov (1969) that adaptogens must not harm the body and, unlike stimulants, must not cause side effects such as insomnia. [5]
  • Contrast with stimulants: the EMA paper notes that stimulants cause a temporary increase in work capacity followed by a decrease, while adaptogens were reputed to cause an increase that is not followed by a decrease. [2]
  • 1990s: a group of researchers proposed that adaptogens are natural bioregulators that increase the ability to adapt to environmental factors. [5]
  • Today: one review says "adaptogen" has generally been used as a functional term. [5]

The word also spread beyond plants. A 2021 review describes synthetic "adaptogens" such as bemethyl, introduced in the 1970s, and notes that since 2009 the World Anti-Doping Agency has listed bromantane as prohibited. [1] That is a reminder that the word was never limited to herbs. For athletes today, see adaptogens for athletes and doping rules.

Which plants count?

Even lists of "true" adaptogens differ. One 2018 review says studies have confirmed Panax ginseng, Schisandra chinensis and others as true adaptogens, and includes maca (Lepidium meyenii) in its list. [5] A 2023 review of adaptogens for depression found St. John's wort the most studied adaptogen in its set. [11] Treat any list as one author's judgment. This library classifies each plant on its own page. See what are adaptogens.

Frequently asked questions

Who invented the word adaptogen?

Sources credit the Soviet scientist N. Lazarev. The date is given as 1940 in one review, 1947 by the EMA paper and a 2021 review, and the late 1950s in another review. [5][2][1][6]

What did Brekhman add?

He studied ginseng from about 1950 and, with Dardymov, set out criteria that adaptogens should be non-toxic and non-specific; a 2018 review describes the 1969 version. [5] The EMA paper cites his 1968 characteristics, including that an adaptogen is almost non-toxic to the recipient. [2]

Was the early research good quality?

The sources we read raise limits: a 2008 European committee found clinical data on eleuthero had shortcomings and small studies, and said none would substantiate efficacy in a clearly defined condition. [2] A formal audit of all Soviet-era trials was not found.

Do regulators recognise the term?

The EMA committee wrote in 2008 that the term is not accepted in the pharmacological and clinical terminology commonly used in the EU and is not appropriate for a marketing authorisation. [2] We did not read any other agency's definition for this page.

Is the concept proven?

No. The same committee said the data were enough to justify further research into the concept, not that the concept was proven. [2] See research and evidence for what has been studied since.

More details: evidence, limits and cautions

The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.

Limits of the early evidence
Early Soviet studies are the foundation of the concept, but the sources we read describe real limits:
  • Clinical data shortcomings. A European committee reviewing eleuthero in 2008 found the clinical data had shortcomings, such as deficiencies in the description of inclusion and exclusion criteria, and that in some studies the number of patients was very small. [2] It concluded that none of the studies would be sufficient to substantiate efficacy of eleuthero preparations. [2]
  • A definition hard to test. The same paper said it is difficult to relate the adaptogen definition to concepts in contemporary pharmacology. [2]
  • A placebo comparison. A 2000 review of eleuthero said the classical definition of an adaptogen has much in common with views currently used to describe the placebo effect. [6] That is the reviewers' argument, not a settled finding, and they also concluded that eleuthero contains pharmacologically active compounds. [6]
  • Human trials still limited. A 2021 review states plainly that clinical trials in humans are limited. [1]

Proper evidence not found for a formal audit of the quality of Soviet-era adaptogen trials as a whole. We searched PubMed for reviews of adaptogen trial quality and Soviet adaptogen research and found the individual reviews cited here, but not a systematic appraisal of the original Soviet studies.

Safety note
A history lesson is not evidence of safety. Documented cautions come from current sources, such as NCCIH's notes on ashwagandha and liver injury reports, pregnancy, surgery and thyroid conditions. [4] See adaptogen safety essentials.
References
  1. Nutrients 2021. Plant Adaptogens - History and Future Perspectives. Review, full text read 2026-10-23.
  2. European Medicines Agency, Committee on Herbal Medicinal Products (HMPC). Reflection paper on the adaptogenic concept (EMEA/HMPC/102655/2007), adopted 8 May 2008. Read 2026-10-23.
  3. National Center for Complementary and Integrative Health (NIH). Asian Ginseng: Usefulness and Safety. Read 2026-10-23.
  4. National Center for Complementary and Integrative Health (NIH). Ashwagandha: Usefulness and Safety. Read 2026-10-23.
  5. Chin Med 2018. A preliminary review of studies on adaptogens: comparison of their bioactivity in TCM with that of ginseng-like herbs used worldwide. Review article. Read 2026-10-23.
  6. J Ethnopharmacol 2000. Eleutherococcus senticosus (Rupr. & Maxim.) Maxim. (Araliaceae) as an adaptogen: a closer look. Review, abstract read 2026-10-23.
  7. Nutrients 2026. System-Level, Molecular and Cellular Mechanisms of Selected Plant Adaptogens - A Review. Review, full text read 2026-10-23.
  8. J Ethnopharmacol 1982. Medicinal uses of ginseng and related plants in the Soviet Union: recent trends in the Soviet literature. Review, abstract read 2026-10-23.
  9. GBIF Secretariat. GBIF Backbone Taxonomy, species match service, queried for each plant name used on this page. Read 2026-10-23.
  10. J Ethnopharmacol 2008. Pharmacology of Schisandra chinensis Bail.: an overview of Russian research and uses in medicine. Review, abstract read 2026-10-23.
  11. Int J Environ Res Public Health 2023. Adaptogens on Depression-Related Outcomes: A Systematic Integrative Review and Rationale of Synergism with Physical Activity. Abstract read 2026-10-23.
Education, not medical advice. This page is for general information. It does not diagnose or treat any condition and is not a substitute for care from a qualified health professional. Natural does not automatically mean safe. Ask a clinician or pharmacist before changing your care, especially if you take medication, are pregnant or breastfeeding, or have a health condition.