Nutra Bio 100% Whey Isolate Nutra Bio's 100% Whey Isolate is arguable the cleanest whey isolate on the market. When you have Whey Isolate, your protein needs to be 90% pure or higher. This ensures there is a limited amount of fat and carbs (lactose) from the protein. Isolates ultimately give you the most amount of protein and the least amount of calories. Nutra Bio keeps their isolates clean by making sure to not flood it with too much sweetener. The goal is to keep the product as healthy as possible, right? Well it should be and at Nutra Bio, it is! Nutra Bio offers a large variety of flavors and sizes so it should be easy finding a flavor for you! When To Take Nutra Bio 100% Whey Isolate Whey Isolate can be taken after workouts, before workouts, or between meals to boost your protein content. Who Can Take Nutra Bio 100% Whey Isolate Both men & women can take Nutra Bio Whey Isolate.