The San Francisco Fisherman's Sourdough Starter Wharf Dehydrated is a high-quality yeast and baking agent product made in the United States. This dehydrated starter comes in a 15-gram bag with instructions for activation, making it convenient for home baking. With a sour flavor and low calories, this authentic San Francisco style starter is perfect for creating homemade bread with natural ingredients. Suitable for various dietary restrictions, this product is organic, dairy-free, and free from artificial additives, preservatives, and GMOs.