Isopure is a premier sports nutrition brand, established in 1984 by Hal Katz and Ernie Geraci, recognized for producing high-quality, 100% whey protein isolate products. Now part of Glanbia Performance Nutrition, the brand focuses on "pure and simple" formulas, offering zero-carb, low-carb, and lactose-free options for muscle building, weight management, and, overall wellness.