Not applicable: Healthy male volunteers
Conditions
Interventions
Whey protein (FrieslandCampina). A single oral ingestion of 13.5 g protein dissolved in 200 mL water on one study day (once daily, one day only). The trial is conducted in a crossover design with appr
Sponsors
Ritsumeikan University
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: Healthy males aged 18-40 years or 65-79 years Those judged to have no health problems based on a screening examination conducted by the principal investigator or co-investigators Individuals who have received a full explanation of the study purpose and procedures, and who have provided written informed consent
Exclusion criteria
Exclusion criteria: Individuals with milk allergy Individuals with other food allergies Individuals who habitually perform resistance training Individuals who habitually consume amino acid or protein supplements Individuals with hepatitis B or C virus infection, or suspected infection Individuals with a history of cardiovascular disease, such as heart disease or hypertension Individuals taking anticoagulant medications (e.g., warfarin) Any other individuals deemed unsuitable by the principal investigator or study physician
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time-course changes in plasma amino acid concentrations in humans (pre-ingestion, 45, 60, 75, and 90 minutes post-ingestion). | — |
Secondary
| Measure | Time frame |
|---|---|
| Responses of C2C12 myotubes to post-ingestion serum treatment, including indices of protein synthesis and expression of signaling molecules. | — |
Countries
Japan
Contacts
Public ContactSatoshi Fujita
Ritsumeikan University Faculty of Sport and Health Science
Outcome results
None listed