100 PERCENT WHEY PROTEIN ISOLATE ZeroCarb IsoPro is optimal for post-workout muscle support and recovery. It’s formulated with 100% Whey Protein Isolate for the fastest and easiest digestion LACTOSE FREE IsoPro is lactose free and perfect for people that have GI issues from traditional whey protein powders ZERO CARB ISOLATE Athletes use ZeroCarb IsoPro because they want the best protein powder available. IsoPro is a premium formulation of 100% Whey Protein Isolate with ZERO carbs and ZERO sugar per serving USN is one of the fastest growing Sports Nutrition Brands in the world delivering world-class nutritional supplements for Optimized Health and Sport Performance. With a dedicated focus to utilizing the highest quality raw materials, scientifically relevant products, independent laboratories for quality testing, we have become one of the most recognizable brands in Sports Nutrition during the past 20 years and we are always pushing forward to achieve more.