Wyeast Laboratories, Inc. produces one strain of 100% Pure Liquid Yeast™ suitable for the production of sake.  Since rice is deficient in nutrients essential to proper yeast cell growth and metabolism, additional Wyeast Vintner’s Choice Nutrient Blend is recommended. Award-winning home and professional sake makers have discovered the “100% Pure Liquid Yeast Difference™" in the flavor, aroma and overall quality of their beverages.