ISOFLEX Chiller Whey Protein Isolate you know and love in a new refreshing juice-style drink that goes down like an ice-cold drink on a hot summer day. Getting your ISOFLEX® has never been easier. Mix ISOFLEX® Chiller with ice-cold water and pour over ice to get a truly exceptional taste sensation.ISOFLEX Chiller is over 98% lactose-free and is typically very well tolerated by those who have lactose intolerance.ISOFLEX Chiller uses a unique protein extraction technology called Hybrid-Ratio Ion-Filtration (HRI). A hybrid of two isolate purification technologies incorporated at a specific ratio to produce a truly superior ultra-pure Whey Protein Isolate. Cutting-Edge HRI Technology allows ISOFLEX to retain an exceptionally high protein yield while maintaining enhanced bioactive whey fractions.