Gluten-Free Sourdough Starter This sourdough starter from Cultures for Health lets you bake deliciously tangy, crusty artisan sourdough bread that’s totally gluten-free. This dehydrated culture is shelf-stable and compact, so you don’t have to worry about it until you’re ready to start baking. Heirloom starter can be continuously re-used to make more Non-GMO, gluten free (<5 ppm), contains live active cultures and organic brown rice flour Store starter culture in a cool, dry place until ready to activate Makes great gifts for DIY-ers, cooking lovers, health enthusiasts, and more