Can seed cycling capsules ease PMS symptoms naturally?
NCT ID NCT07655466
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This trial investigates whether daily seed cycling capsules can reduce common PMS symptoms like cramps, bloating, fatigue, and mood swings. Forty women aged 18 to 45 with a history of menstrual symptoms will take the capsules for two menstrual cycles and report changes through questionnaires. The study aims to see if this dietary supplement approach improves overall menstrual experience.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Seed cycling capsules (Zest and Zen formulations)
- What this could lead to
- If effective, seed cycling could offer a natural, non-hormonal option for managing PMS symptoms and improving menstrual health.
- What could go wrong
- This is a small, early-stage trial with no placebo group, so results may not prove the capsules work better than no treatment. Individual responses can vary.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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
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40 people
The number who actually took part.
- Started
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Jul 2025
- Finished
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Sep 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 45 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Be female. * Be 18-45 years of age. * Have experienced at least five of the following symptoms during the last three menstrual cycles: Heavy flow Prolonged, shortened, or irregular periods Headaches or migraines Low mood Fatigue Bloating Premenstrual or menstrual cramps Breast tenderness Poor sleep Constipation or diarrhea Weight gain or fluctuations Irritability or anger Sick days or reduced social activity due to menstrual symptoms Hormonal acne * Be generally healthy. * Have a menstrual cycle length between 23 and 35 days. * Track menstrual cycles and be able to predict period dates. * Be willing to refrain from taking products, medications, or supplements targeting menstrual health during the study. Exclusion Criteria: * Use of hormonal contraception. * Allergy to sesame. * Chronic conditions that would interfere with study participation, including oncological and psychiatric disorders. * Pregnant, breastfeeding, or trying to conceive. * Unwillingness to follow the protocol. * Menopause or menopausal symptoms. * Recent or planned invasive medical procedures. * History of substance abuse. * Diabetes or other endocrine-related conditions. * Current or planned participation in another research study. * Use of hormone-modulating medications or therapies. * Planned insertion or replacement of an IUD within 12 weeks. * Diagnosis of endometriosis, polycystic ovary syndrome (PCOS), or adenomyosis.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Citruslabs
Las Vegas, Nevada, 89118, United States
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