article 2020 Effects of Multi-Ingredient Preworkout Supplementation across a Five-Day Resistance and Endurance Training Microcycle in Middle-Aged Adults Joel Puente-Fernández, Marcos Seijo, Eneko Larumbe-Zabala, Alfonso Jiménez, Gary Liguori, Claire J. L. Rossato, Xian Mayo, Fernando Naclerio JournalNutrientsDOI10.3390/nu12123778Study typedouble-blind, cross-over studyPopulationmiddle-aged adults View on DOI ↗