This review aims to highlight the benefits and limitations of the main colloid-based available delivery systems for hydroxytyrosol. Hydroxytyrosol is a phenolic compound with clear biological activities for human wellness. Olive fruits. leaves and extra-virgin oil are the main food sources of hydroxytyrosol. https://www.roneverhart.com/Gator-Frameworks-GFW-UTL-WS250-Electronic-Keyboard-Stand-p27489/