Question: are wheatgrass and barley grass gluten free?
Answer: Ultimately, yes, wheatgrass and barley grass are gluten-free. However, if you avoid gluten for health reasons, it's best to find out exactly where the wheatgrass and barley grass in your protein powder or smoothie has been sourced. If it's certified gluten-free pure wheatgrass or barley grass, you're probably fine.