Status:

NOT_YET_RECRUITING

The Effects of Resistance Training and a Plant-Based Supplement on Perimenopausal Symptoms and Muscle Health.

Lead Sponsor:

Leeds Beckett University

Conditions:

Perimenopause

Menopause

Eligibility:

FEMALE

40-55 years

Phase:

NA

Brief Summary

The aim of this clinical trial is to determine if resistance training and a newly developed plant-based nutritional supplement can improve the symptoms and musculoskeletal health of perimenopausal wom...

Eligibility Criteria

Inclusion

  • Inclusion criteria
  • Perimenopausal women between 40 - 55 years
  • Not currently engaging in consistent structured resistance training (defined as \>3 resistance training sessions per week for 4 consecutive weeks, in the past six months).
  • Not on any HRT or hormonal contraception for at least one year before initiation of the study.
  • Able to attend laboratory visits and commit to the intervention schedule for 6 months.
  • Willing to provide blood samples
  • Not regularly consuming any dietary supplements containing concentrated sarmentosin, L-theanine or other compounds that may interfere with the study intervention.
  • Willing to limit dietary intake of Sarmentosin (e.g. Blackcurrant) and L-theanine (e.g. green tea/ black tea).
  • Willing and able to provide written informed consent
  • Exclusion criteria
  • Diagnosed cardiovascular disease (CVD), uncontrolled hypertension (\>160/100 mmHg), or other conditions that prevent safe exercise participation.
  • Clinically diagnosed mental health disorders (e.g., bipolar disorder, schizophrenia, severe depression requiring medication adjustment within the last 6 months).
  • Neurological conditions affecting cognitive function (e.g., Parkinson's disease, multiple sclerosis, epilepsy).
  • Endocrine disorders that could impact hormonal fluctuations or metabolism (e.g., uncontrolled diabetes, thyroid dysfunction).
  • History of major musculoskeletal injuries (e.g., fractures, joint replacement) within the past 6 months
  • Regular use of medications that could interfere with study outcomes, including antidepressants, corticosteroids, beta-blockers.
  • Obesity (BMI \>30 or for South Asian Ethinicity BMI\> 27.5)
  • Food allergy or intolerance to study products.
  • Use of illicit drugs.
  • Alcohol intake exceeding the government guidelines of 14 standard units per week (Equivalent of 6 standard drinks).
  • Pregnant or planning to conceive during the trial.
  • High habitual caffeine intake (\>400 mg/day which is approximately 4-5 cups of coffee)

Exclusion

    Key Trial Info

    Start Date :

    January 1 2026

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    December 15 2026

    Estimated Enrollment :

    72 Patients enrolled

    Trial Details

    Trial ID

    NCT07135232

    Start Date

    January 1 2026

    End Date

    December 15 2026

    Last Update

    January 6 2026

    Active Locations (1)

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    Carnegie School of Sport

    Leeds, North Humberside, United Kingdom, LS2 3AE