Cultures for Health Gluten-Free Sourdough Starter Culture (0.8 oz)Not eating gluten? No problem! With the help from our starter culture, you can make tangy, fluffy sourdough bread thats gluten free. The Sourdough Starter is an heirloom culture, meaning you'll make endless bread dough all from one starter! Just add water and gluten free flour. Sourdough is perfect for beginners. It is a very forgiving culture and one of the easiest to work with! Starter Culture Ingredients Organic brown rice flour, live active