EST. 2011 – THE ORIGINAL UNDENATURED 100% GRASS-FED WHEY- Family owned, working direct with small farms since day 1. Promix Whey starts with the highest quality milk from healthy California cows grazing on grass year-round. Cold-processed micro-filtration produces an undenatured whey rich in natural co-factors; CLA’s, L-Carnintine, Glutathione, and Lactoferrin. No hormones and never bleached. We promise you pure ingredients for pure results.