Is aspartame in the products? All our products are aspartame free, we use sucralose and/or potassium acesulfame for sweetening! Related articles What is ChondrActiv? Why do we use sucralose as a sweetener? Can protein be used for baking? Can Diet Shake be consumed during pregnancy or breastfeeding? What is the difference between Iso Whey Zero and 100% Pure Whey?