BERBERINE SUPPLEMENTATIONS (Berberine)

November 6, 2026 updated by: Emine Dincer

EFFECTS OF BARBERRY (BERBERIS VULGARIS) SUPPLEMENTATIONS ON ANTIOXIDANT AND OKSIDANT CAPASITY IN HEALTHY ADULTS

This randomized, placebo-controlled interventional study aims to evaluate the effects of 60 days of supplementation with a liposomal Berberis vulgaris-based product on antioxidant status, selected biochemical parameters, body weight, body mass index (BMI), and body composition in healthy adult volunteers. The planned total enrollment is 40 participants. The intervention group will receive one 200 mg capsule daily for 60 days, subject to confirmation of the product's composition and labeling. The comparator group will receive a placebo according to the approved study protocol. Total antioxidant capacity (TAC), total oxidant status (TOS), and other prespecified outcomes will be assessed using the methods and time points defined in the protocol.

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Detailed Description

At baseline, participants who meet the inclusion and exclusion criteria and provide written informed consent will undergo anthropometric measurements, including body weight, height, and body composition, at the Healthy Nutrition Counseling Unit of the Faculty of Health Sciences, Sivas Cumhuriyet University. Medical history and demographic information will also be collected using a personal information form. Blood samples will be collected at the Biochemistry Laboratory of Sivas Cumhuriyet University Hospital to assess routine biochemical parameters, including glucose, insulin, renal and liver function markers, lipid profile, electrolytes, and uric acid. Blood results will be evaluated by a study physician. During the 60-day supplementation period, participants will be contacted by telephone every 15 days. Dietary intake will be assessed using 24-hour dietary recalls, and appetite status will be evaluated using the Simplified Nutrition and Appetite Questionnaire. Adherence to the intervention will be monitored through these calls and verified at the end of the study by checking the returned supplement packages and unused capsules. At baseline and at the end of the study, blood samples will also be analyzed for total antioxidant capacity (TAC), total oxidant status (TOS), paraoxonase-1 (PON1), and arylesterase (ARE) activities. Serum samples will be separated by centrifugation and stored at -80°C until analysis. TAC and TOS will be assessed as the primary outcome measures, while PON1 and ARE activities will provide additional information on enzymatic antioxidant defense. These measurements will enable a comprehensive evaluation of the effects of Berberis vulgaris supplementation on oxidative balance and antioxidant defense.

Study Type

Interventional

Enrollment (Estimated)

40

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Adults aged 18-65 years.
  • Individuals with a body mass index (BMI) between 18,5 and 29,99 kg/m².
  • Individuals who voluntarily agree to participate in the study.
  • Individuals with no known medication sensitivities.
  • Individuals with no known food allergies.
  • Individuals who do not use medications that may affect appetite, body weight, or related parameters.
  • Individuals who do not use any dietary supplements.

Exclusion Criteria:

  • Pregnant or breastfeeding women.
  • Individuals who smoke.
  • Individuals with any medical condition that may affect the study outcomes, including diabetes mellitus, chronic obstructive pulmonary disease (COPD), and cardiovascular diseases.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Experimental

Lipozomal Berberis Vulgaris Supplementation. Participants will receive one capsule daily for 60 days. The stated capsule strength is 200 mg. The amount of Berberis vulgaris extract and/or berberine per capsule, product composition, and route of administration must be confirmed from the product documentation.
Dietary supplement: Liposomal Berberis vulgaris supplementation.

Participants will receive one capsule daily for 60 days. The stated capsule strength is 200 mg. The amount of Berberis vulgaris extract and/or berberine per capsule, product composition, and route of administration must be confirmed from the product documentation.
Placebo Comparator: Placebo

Placebo Supplementation. Participants will receive a placebo according to the approved study protocol for 60 days. The dosage form, administration schedule, and matching characteristics will be specified based on the protocol.
Other: Plasebo supplementation

Participants will receive a placebo according to the approved study protocol for 60 days. The dosage form, administration schedule, and matching characteristics will be specified based on the protocol.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in Total Antioxidant Capacity (TAC)
Time Frame: Baseline and Day 61

Change in total antioxidant capacity from baseline to the end of the 60-day intervention, measured using enzyme-linked immunosorbent assay (ELISA) kits.
Baseline and Day 61
Change in Total Oxidant Status (TOS)
Time Frame: Baseline and Day 61

Change in total oxidant status from baseline to the end of the 60-day intervention, measured using enzyme-linked immunosorbent assay (ELISA) kits.
Baseline and Day 61
Change in Body Weight
Time Frame: Baseline and Day 61

Change in body weight from baseline to the end of the intervention, measured in kilograms.
Baseline and Day 61
Change in Body Mass Index (BMI)
Time Frame: Baseline and Day 61

Change in body mass index from baseline to the end of the intervention, weight and height will be combined to report BMI in kg/m^2).
Baseline and Day 61
Change in Body Composition
Time Frame: Baseline and Day 61

Change from baseline in the prespecified body composition parameters assessed using TANITA MC 780MA.
Baseline and Day 61
Change in Biochemical Parameters
Time Frame: Baseline and Day 61

Change from baseline to the end of the intervention in each prespecified biochemical parameter.
Baseline and Day 61

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in paraoksonaz-1 (PON1)
Time Frame: Baseline and Day 61.

Change in paraoksonaz-1 (PON1) from baseline to the end of the 60-day intervention, measured using enzyme-linked immunosorbent assay (ELISA) kits.
Baseline and Day 61.
Change in arilesteraz (ARE)
Time Frame: Baseline and Day 61.

Change in arilesteraz (ARE) from baseline to the end of the 60-day intervention, measured using enzyme-linked immunosorbent assay (ELISA) kits.
Baseline and Day 61.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Emine Dincer

Collaborators

Cumhuriyet University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

November 5, 2026

Primary Completion (Estimated)

January 15, 2027

Study Completion (Estimated)

January 31, 2027

Study Registration Dates

First Submitted

November 2, 2026

First Submitted That Met QC Criteria

November 6, 2026

First Posted (Actual)

November 13, 2026

Study Record Updates

Last Update Posted (Actual)

November 13, 2026

Last Update Submitted That Met QC Criteria

November 6, 2026

Last Verified

November 1, 2026

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • SBF-2026-125

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

There is no plan to make individual participant data available due to institutional data privacy regulations and conditions of the informed consent form signed by the participants.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Subscribe