N/A
Completed N=30
Whey Protein Supplementation in High School Athletes
Body Weight Changes · Athletic Performance · Recovery · Sleep
Source: ClinicalTrials.gov NCT05589129 ↗
Enrolled (actual)
30
Serious AEs
0.0%
Results posted
Apr 2026
Primary outcomePrimary: Estimated VO2max — 43.8; 42.0; 47.9; 44.5 ml/kg/min — p==0.04
Summary
The overall aim of this project is to compare protein supplementation on performance, recovery, and body composition changes in adolescent soccer players between the whey protein and the control group in response to the 10-12-week intervention.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Estimated VO2max |
43.8; 42.0; 47.9; 44.5 | =0.04 sig |
| SECONDARY Changes in Muscular Fatigue Via Repetitions to Fatigue |
10; 6.58; 8.3; 7.2 | =0.02 sig |
| SECONDARY Changes in Speed |
4.9; 4.99; 4.73; 4.8 | =0.85 |
| SECONDARY Changes in Muscular Strength |
168; 171; 172; 164 | =0.34 |
Eligibility Criteria
Inclusion Criteria
- 13-18 years old; male and female High school soccer players
Exclusion Criteria
- non-adolescents; untreated or underlying metabolic or cardiovascular diseases; allergies to dairy, or any allergies ingredients in the study provided granola bar or bagels, such as soy, wheat, tree nuts, peanuts, milk, and sesame.
Data sourced from ClinicalTrials.gov (NCT05589129). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.