Effects of Sargassum horneri Extract Intake on Immune Function Improvement

A Randomized, Double-Blind, Placebo-Controlled Clinical Study to Evaluate the Effects of Oral Intake of Sargassum horneri Extract on Immune Function Improvement

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0011972

Enrollment

100

Registered

2026-05-13

Start date

2022-04-06

Completion date

Unknown

Last updated

2026-05-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Dietary Supplement : This study was a randomized, double-blind, placebo-controlled, parallel-group clinical trial designed to evaluate the effects of Sargassum horneri extract on immune function in he

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adults aged between 20 and 75 years Participants who voluntarily agreed to participate and provided written informed consent Participants able to comply with the study protocol during the study period Participants with white blood cell counts within the normal reference range Participants with a Perceived Stress Scale (PSS) score of 18 or higher

Exclusion criteria

Exclusion criteria: Participants with serious medical conditions that could affect study outcomes Participants taking medications or supplements related to immune function Participants with hypersensitivity to the investigational product ingredients Participants considered unsuitable for study participation by the investigator Pregnant or breastfeeding women

Design outcomes

Primary

Measure	Time frame
Natural Killer (NK) Cell Activity Changes	—

Secondary

Measure	Time frame
Changes in TNF-a, IFN-?, WBC, IgE, IL-1ß, IL-2, IL-6, and IL-12	—

Countries

Korea, Republic of

Contacts

Public Contactmyung-jun Shin

Pusan National University Hospital

drshinmj@gmail.com+82-51-240-7485

Outcome results