[1]
“The Effect of Caffeine Alone or as Part of a Multi-ingredient Pre- workout Supplement on Muscular Endurance in Recreationally Active College Males”, JEN, vol. 1, no. 5, Oct. 2018, Accessed: Apr. 16, 2026. [Online]. Available: https://journalofexerciseandnutrition.com/index.php/JEN/article/view/31