Harnessing the microbial power of ancient fermentations to create all-natural, flavorful, healthier, and more sustainable food.

Leaven was founded in 2023 with the goal of harnessing the microbes found in wild fermentations into an easy-to-use, safe, and consistent package. Our team of world-renowned chefs and experts in genomics, microbiology, bioinformatics, and fermentation are working tirelessly to ensure that everyone in the world has access to healthier, more flavorful, and more sustainable fermented foods.