A cup of lavender tea a day may keep PMS blues away — science puts it to the test

NCT ID NCT07737366

Symptom relief Sponsor: Sakarya University Source: ClinicalTrials.gov ↗

First seen Jul 30, 2026 · Last updated Sep 18, 2026 · Updated 2 times

Summary

This trial tests whether drinking lavender herbal tea twice daily for nine days around each menstrual cycle can reduce the emotional and physical symptoms of premenstrual syndrome (PMS), such as anxiety, depression, stress, and pain. Sixty women with PMS will be randomly assigned to drink lavender tea or to a waiting-list control group. Researchers will measure changes in PMS symptoms, quality of life, and menstrual bleeding over two cycles.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance: lavender herbal tea
What this could lead to: If effective, lavender tea could offer a natural, low-cost option for women to manage PMS symptoms at home.
What could go wrong: This is a small, early-stage trial with 60 participants. The effects may be modest, and lavender tea is not a substitute for medical treatment.

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Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

60 people

The number who actually took part.

Started

Jul 2025

Finished

Oct 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * No history of acute or chronic illness, Meeting the diagnostic criteria for PMS specified by ACOG, Over 18 years of age, No psychiatric distress and no treatment for psychiatric distress in the last 3 months, No (current or past) participation in psychotherapy for premenstrual symptoms, Not pregnant, Gynecological diseases (hysterectomy, oophorectomy, gynecological cancer, polycystic ovary syndrome, endometriosis, infertility) are among the inclusion criteria. Exclusion Criteria: * Allergy to any herbal tea, food or medicine, Psychiatric illness or chronic illness, Use of psychiatric medication (such as anxiolytics and antidepressants), Regular medication use (such as antihypertensive, antidiabetic), Regular use of herbal teas or complementary medicines, Failure to meet the diagnostic criteria for PMS specified by ACOG, No regular menstruation in the last 3 months, Use of oral contraceptives during the last 3 months, Use of analgesics during menstruation while participating in the study.

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Conditions

The condition(s) this trial relates to.

anxiety anxiety disorder Depression depressive disorder Hemorrhage hemorrhagic disease premenstrual tension

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Anxiety Bleeding Complementary medicine Depression Pain measurement Premenstrual syndrome Stress

A cup of lavender tea a day may keep PMS blues away — science puts it to the test

What the study statuses mean