Nutricost Whey Protein Isolate and NOW Sports Whey Protein Isolate both cater to those seeking clean, high-quality protein for muscle recovery and growth. Both products offer a simple, pure whey isolate formula with minimal additives, providing a similar 80% protein content by weight. Nutricost includes sunflower lecithin for improved mixability, while NOW Sports emphasizes its non-GMO certification and informed-choice quality assurance.
While both scored similarly in our reviews and offer comparable performance, we believe NOW Sports Whey Protein Isolate edges ahead due to its stringent quality standards, including non-GMO certification and informed-choice testing for banned substances. This makes it our pick for athletes seeking pure, clean protein that aligns with their dietary preferences and competitive requirements.