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Klean Isolate is a whey protein isolate powder with 20 g of protein and 1 g of fat per serving, sold in chocolate and unflavored. Its standout feature is NSF Certified for Sport, a third-party certification that matters to athletes subject to drug testing. It is gluten-free, egg-free, peanut-free and vegetarian, and it is sugar-free with naturally occurring electrolytes. Against mass-market isolates it offers fewer protein grams per scoop and a shorter 20-serving tub, so it competes on certification and clean labeling rather than on protein per dollar.
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Lowest price we've seen: $63.50 on Nov 9 at DrAlexRinehart.com. Tracked across 4 stores since Nov 9.
Feedback on Klean Isolate centers on its clean label and sport certification rather than flavor. Athletes value the tested, banned-substance-free status and easy digestion; some find the protein per scoop modest and the unflavored version bland.
