The Culture of Life

For more than 150 years, Lesaffre has been the world leader in manufacturing premium quality yeast and yeast derivatives. Our Human Care division focuses exclusively on marketing yeast products that advance human health by nature of their overall nutritional value or condition-specific health benefits.

For manufacturers, Lesaffre offers a variety of yeast ingredients under the LYNSIDE® brand for use in functional foods, dietary supplements, cosmetics and clinical nutrition. For consumers, Lesaffre manufactures the legendary RED STAR® brand of nutritional yeast retail products.

Nutritional Yeast Consumer Products


Lesaffre leads the industry with RED STAR Nutritional Yeast, which has set the standard for quality and innovation for generations. With its roasted nutty flavor, RED STAR Nutritional Yeast has been a favorite among consumers since its introduction in 1975. Naturally high in protein and fiber, while low in fat and sodium, RED STAR Nutritional Yeast offers a perfect way to add extra nutrition to your diet – without preservatives, artificial colors or flavors.

Yeast Ingredients for Use in Manufacturing


The LYNSIDE line of yeast ingredients offered by Lesaffre includes LYNSIDE probiotic yeasts and LYNSIDE nutritional yeasts in both fortified and non-fortified versions. In addition to providing a range of stock yeast ingredients, Lesaffre also works one-on-one with manufacturers to develop customized yeast-based solutions to meet your unique product and technology needs.