rebate limit 12
no coupon required.
30g protein per serving / 55 servings per tub.
Breaks down to about 72.7 cents per use
Side by side comparison of ON's Performance Whey (left), vs the new Performance Whey 100% Isolate (right): http://i.imgur.com/DJuxY.jpg
(100% Gold standard is a mix of concentrate and isolate.)
This is for pure isolate only.
"Protein isolates. This is the next step up in purification from simple whey concentrates; the protein is purified again using more filtration or a technique called ion-exchange or cross-flow microfiltration. Protein isolates have very low levels of carbohydrates and fat and are almost exclusively pure protein. People with lactose intolerance usually don’t have trouble with whey protein isolates. Many companies that make whey protein isolates certify that their product is lactose free or they will even add lactase which is an enzyme that breaks down lactose to the protein powder to help with digestion.
proteins found in Isolates are broken down into smaller pieces to allow it to get in your system more rapidly with the belief it will help enable your muscles to start rebuilding quicker.
The primary difference between isolate and concentrate is that the isolate is the most purest form of protein. Whey isolate usually contains between 90-94% protein while whey concentrate has a protein ratio of around 70-85%. "