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Optimum Nutrition ON Isolate Protein Dietary Supplement is gluten free. All of the protein in each serving of ON Isolate is from Whey Isolate, ultra-filtered for exceptional purity. It is packed by 25 grams of protein into every serving with just 1 gram of sugar and 1 gram of fat. Mix a scoop into cold water or milk first thing in the morning, before endurance training or after weight training to kick-start recovery.
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