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Development and Strategic Research of Practical Applications in Sports Nutrition

16 maja 2026 zaktualizowane przez: Yi-Ju Hsu, National Taiwan Sport University
This study evaluates the practical feasibility and potential effects of an 8-week dairy product intervention in physically active adults aged 18-39 years. Participants will consume a dairy product enriched with high protein, calcium, and vitamin D under real-life conditions. Assessments will be conducted before the intervention, after 4 weeks, and after 8 weeks, including subjective perception questionnaires, body composition analysis, and functional physical performance tests. The study aims to examine changes in physical status, functional capacity, and user experience during continuous product use.

Przegląd badań

Status

Jeszcze nie rekrutacja

Warunki

Interwencja / Leczenie

Szczegółowy opis

With increasing awareness of regular exercise and health promotion, sports nutrition products have become a common supplementation choice among physically active populations. In real-world settings, these products are typically consumed continuously as part of daily life. Evaluating changes in physical status, functional physical performance, and users' subjective perceptions during actual use therefore requires research designs that closely reflect everyday living conditions.

This study recruits physically active adults aged 18-39 years and conducts an 8-week intervention involving the consumption of a dairy product enriched with high protein, calcium, and vitamin D. A pre-, mid-, and post-intervention design is employed, integrating subjective perception questionnaires, body composition analysis, and functional physical performance assessments to evaluate changes in physical status, functional capacity, and subjective experiences throughout the intervention period. Through this multi-dimensional evaluation approach, the study aims to examine the practical feasibility and application value of the product in real-life settings and to provide evidence to support sports nutrition practice and future research.

Typ studiów

Interwencyjne

Zapisy (Szacowany)

50

Faza

  • Nie dotyczy

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Kontakt w sprawie studiów

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

  • Dorosły

Akceptuje zdrowych ochotników

Tak

Opis

Inclusion Criteria:

  • Aged 18-39 years.
  • Have regular exercise habits, defined as exercising at least three times per week, with each session lasting no less than 30 minutes. Exercise intensity should reach a heart rate of approximately ≥130 beats/min or a perceived intensity characterized by noticeable breathlessness and sweating.
  • Preferably, at least one exercise session per week should include resistance training.
  • Participants must be able to consume dairy products and have no lactose intolerance.

Exclusion Criteria:

  • Individuals with lactose intolerance or an allergy to dairy products.
  • Individuals who are pregnant, planning to become pregnant, or breastfeeding.
  • Individuals with a smoking habit.
  • Individuals diagnosed by a physician with cardiovascular disease, hypertension, metabolic disease, asthma, or kidney disease.
  • Individuals with a body mass index (BMI) ≥27.
  • Individuals who have experienced limb or neuromuscular exercise-related injuries within the past 6 months that prevent them from engaging in regular exercise.

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Podstawowa nauka
  • Przydział: Nie dotyczy
  • Model interwencyjny: Zadanie dla jednej grupy
  • Maskowanie: Brak (otwarta etykieta)

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Eksperymentalny: Dairy intervention group
An 8-week high-protein, high-calcium, and vitamin D-enriched dairy intervention.
Suplement diety: Dairy intervention
An 8-week high-protein, high-calcium, and vitamin D-enriched dairy intervention.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Questionnaire-based subjective assessment
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Participants' subjective physical sensations, post-exercise fatigue, body image perceptions, and product use experience will be assessed using individual items from a self-administered questionnaire developed for this study. Questionnaire items may include Likert-scale items, categorical response options, and open-ended responses. Likert-scale items will be reported separately according to their original response scale, with the minimum and maximum values specified for each item. Categorical items will be reported as the number and percentage of participants selecting each response option. Open-ended responses will be summarized descriptively. No overall questionnaire total score will be calculated.
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Handgrip Strength Test
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Participants performed the test in a standing position with their arms naturally hanging down. They held the handgrip dynamometer with one hand and applied maximal force continuously for at least 3 seconds. Each hand was tested three times, and the best value was recorded.
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Push-Up Test
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Participants performed the push-up test on an exercise mat, with both hands placed shoulder-width apart to support the body. The fingers pointed forward, the elbows were fully extended, and the feet were approximately 10 cm apart. Male participants performed the test with support from the feet, whereas female participants performed the modified version with support from the knees. Participants were instructed to complete as many repetitions as possible while maintaining proper form. The test was terminated when the movement no longer met the required standard or could not be continued.
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Curl-Up Test
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.

Participants lay supine on an exercise mat with both knees bent and feet flat on the floor. They performed curl-ups according to a fixed rhythm. Participants were instructed to complete as many repetitions as possible while maintaining proper form.

When a participant failed to perform the movement correctly once, the examiner raised one hand and indicated the number "one." If the participant failed a second time, the examiner indicated the number "two." The test was terminated when the participant failed twice or completed 75 repetitions. If the participant was unable to maintain the required rhythm or perform the movement according to the standard criteria, the test was stopped.
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Three-Minute Progressive Step-in-Place Test
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.

Participants performed step-in-place movements according to the instructions and raised their knees to the designated height. The test lasted for 3 minutes, with an initial cadence of 96 beats per minute, which was progressively increased each minute.

During the test, heart rate was recorded using a heart rate monitor before exercise, during exercise, and during the post-exercise recovery period.
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Body weight
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Body weight will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported in kilograms (kg).
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Body mass index
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Body mass index (BMI) will be calculated from body weight and height and reported in kilograms per square meter (kg/m^2).
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Body fat percentage
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Body fat percentage will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported as a percentage (%).
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Fat mass
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Fat mass will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported in kilograms (kg).
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Skeletal muscle mass
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Skeletal muscle mass will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported in kilograms (kg).
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Skeletal muscle percentage
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Skeletal muscle percentage will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported as a percentage (%).
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Waist-to-hip ratio
Ramy czasowe: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
Waist-to-hip ratio will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported as a ratio.
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Sponsor

National Taiwan Sport University

Śledczy

  • Główny śledczy: Yi-Ju Hsu, Professor, National Taiwan Sport University

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Szacowany)

1 czerwca 2026

Zakończenie podstawowe (Szacowany)

1 września 2026

Ukończenie studiów (Szacowany)

1 września 2026

Daty rejestracji na studia

Pierwszy przesłany

8 maja 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

16 maja 2026

Pierwszy wysłany (Rzeczywisty)

20 maja 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

20 maja 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

16 maja 2026

Ostatnia weryfikacja

1 maja 2026

Więcej informacji

Terminy związane z tym badaniem

Inne numery identyfikacyjne badania

  • NTSUIRB-115-010

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

Te informacje zostały pobrane bezpośrednio ze strony internetowej clinicaltrials.gov bez żadnych zmian. Jeśli chcesz zmienić, usunąć lub zaktualizować dane swojego badania, skontaktuj się z register@clinicaltrials.gov. Gdy tylko zmiana zostanie wprowadzona na stronie clinicaltrials.gov, zostanie ona automatycznie zaktualizowana również na naszej stronie internetowej .

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