Casein Protein and Improved Countermovement Jump Height

• Effects of protein sources at sahur on anaerobic power and strength during Ramadan in combat sport athletes: A single blind, randomized, placebo-controlled, counterbalanced crossover study design.

  • 2026-03-13
  • RCT
  • PloS one 21(3)
  • • Abdullah Demirli
    • Süleyman Ulupınar
    • Ayşe Türksoy Işım
    • Alay Kesler
    • Merve Terzi
    • Cebrail Gençoğlu
    • Serhat Özbay
    • Melenco Ionel
    • Ibrahim Ouergui
    • Luca Paolo Ardigò

  • PubMed: 41824520
  • DOI: 10.1371/journal.pone.0340961

  6 Insights on

  • Improved Countermovement Jump Height

  • High evidence
  • Athletes

  Leg press, countermovement jump, and handgrip strength showed no significant differences across conditions

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  0.4 g/kg body weight

• Presleep Casein Protein Ingestion: Acceleration of Functional Recovery in Professional Soccer Players.

  • 2019-03
  • RCT
  • International journal of sports physiology and performance 14(3)
  • • William Abbott
    • Adam Brett
    • Emma Cockburn
    • Tom Clifford

  • PubMed: 30204517
  • DOI: 10.1123/ijspp.2018-0385

  7 Insights on

  • Improved Countermovement Jump Height

  • High evidence
  • Athletes

  Casein protein had a most likely and likely beneficial effect on countermovement-jump recovery at 12 and 36 h postmatch (CP -1.6; ±1.2% vs CON -6.6; ±1.7%; -4.1; ±2.3% vs -0.4; ±1.1%, respectively).

  Effect

  Beneficial

  Effect size

  Moderate

  Significant

  Yes

  Dose

  40 g