Effects of Protein Supplementation Combined with Concurrent Exercise Training on Body Composition, Health-Related Physical Fitness, and Muscle Protein Synthesis Rates in Healthy Adults

Evaluation of the Effects of Protein Supplementation (ß-Lactoglobulin) and Combined Exercise Training on Body Composition, Physical Fitness, and Muscle Protein Synthesis Rate in Healthy Adults

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0012143

Enrollment

Registered

2026-06-17

Start date

2025-11-03

Completion date

Unknown

Last updated

2026-06-22

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

Conditions

None listed

Interventions

Behavioral, Dietary Supplement : This is a randomized, double-blind, parallel-group study. Both groups perform combined exercise training (resistance and aerobic exercise, 4 times/week) for 8 weeks. D

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1.Healthy adult males aged 20-39 years 2.BMI within 18.5-27.0 kg/m² 3.No regular exercise participation for the past 3 months or more 4.Voluntarily agreed to participate and signed written informed consent

Exclusion criteria

Exclusion criteria: 1.History of fracture, muscle injury, or surgery within the past year 2.Diagnosed with metabolic diseases such as diabetes, hypertension, or hyperlipidemia 3.History of cardiovascular disease 4.Currently taking or having taken muscle-affecting medications within the past 3 months 5.Allergy to whey protein, milk, or dairy products, or lactose intolerance 6.Use of protein supplements or creatine within 4 weeks prior to study initiation

Design outcomes

Primary

Measure	Time frame
Muscle Protein Synthesis Rate	—

Secondary

Measure	Time frame
Body composition (fat mass, lean mass, body fat percentage);Muscle strength (1-RM, isokinetic muscle strength);Maximal oxygen uptake (VO2max) and time to exhaustion	—

Countries

Korea, Republic of

Contacts

Public ContactJiwoong Jang

Gachon University

korea1128@gmail.com+82-31-750-5114

Outcome results