Inspired by local American brewers crafting semi-traditional Belgian-style ales, White Labs WLP670 American Farmhouse Blend creates a complex flavor profile with a moderate level of sourness. It consists of a traditional farmhouse yeast strain and Brettanomyces. This is a great yeast for farmhouse ales, Saisons, and other Belgian-inspired beers. White Labs yeast is world-renowned for quality and innovation, certified kosher, GMO free, and subject to thorough quality analysis before being packaged.