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New supplement shows promise for hot flashes and hormonal balance
NCT ID NCT07570043
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a daily postbiotic supplement called resW in 80 women aged 35-55 experiencing perimenopause symptoms like hot flashes and mood changes. Participants took either the supplement or a placebo for 4 weeks and completed questionnaires about their symptoms and quality of life. The goal was to see if the supplement could reduce symptom severity and improve hormonal balance.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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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80 people
The number who actually took part.
- Started
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Mar 2026
- Finished
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May 2026
- Lead sponsor
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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
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35 to 55 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: * Provide voluntary, signed, and dated informed consent. * Female, aged 35 to 55 years, inclusive. * Currently experiencing perimenopausal symptoms, such as hot flashes, mood changes, sleep disturbance, or irregular cycles. * In generally good health as determined by self-reported medical history. * Agree to maintain existing diet, exercise, and lifestyle patterns throughout the study period. * Able and willing to comply with all study procedures, including electronic consent, app-based data entry, and study questionnaires. * Participants selected for the microbiome substudy must be willing to complete stool and vaginal sample collection. * Females of childbearing potential must agree to use a medically acceptable form of birth control during the study. * Agree to refrain from taking other probiotic, prebiotic, postbiotic, hormonal, or menopause-support supplements during the study. * Have reliable internet or smartphone access. Exclusion Criteria: * Currently pregnant, planning to become pregnant, or breastfeeding. * History or current diagnosis of gynecologic disorders or other conditions affecting hormonal balance. * Current or recent use of hormone replacement therapy or hormonal medications. * History of unstable or newly diagnosed cardiovascular, hepatic, renal, or significant metabolic disorders. * Known gastrointestinal disease or condition affecting absorption or metabolism. * Known allergy or sensitivity to any ingredient in the study supplement. * Current participation in another clinical study involving an investigational product or device, or participation in such a study within the past 30 days. * Any other medical or psychiatric condition that, in the opinion of the investigator or study team, could interfere with study participation, compliance, or interpretation of study results.
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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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Able Biolabs LLC
Dallas, Texas, 75247, United States
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