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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Whey Protein and Reduced Muscular Endurance

Doses used in studies

g/day: 40 (median 40, IQR 40–40) — 1 study

Time to effect

Median: 10 weeks · IQR 10 weeks–10 weeks · Range 10 weeks–10 weeks — Reported in 1 of 1 study

1 of 1 paper

The effects of whey protein supplementation on athletic performance and body composition in adolescent soccer players: a randomized controlled trial.
- 2026-01-01
- RCT
- Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme 51
- - Grace A Zimmerman
  - Naomi Mmp de Hart
  - Isaac Z Ou
  - Victoria R Miranda
  - Eric D Bastian
  - Micah J Drummond
  - Christopher M Depner
  - Tanya M Halliday
- PubMed: 41713391
- DOI: 10.1139/apnm-2025-0325
5 Insights on
- Reduced Muscular Endurance
- High evidence
- Athletes
Muscular endurance declined in the PRO group compared to CON (p = 0.01).
Effect
Harmful
Effect size
Small
Significant
Yes
Dose
20 g protein twice daily