Ryvita Dark Rye Crispbread All natural Ingredients High in fibre. Eating Ryvita crispbread is an easy way to help you stay healthier. Ryvita Dark Rye crispbread is made from wholegrain rye, is high in all-important fibre and made with all natural ingredients. It is also less than 2% fat and only 31 calories a slice. So that makes it an ideal choice as part of your healthy, balanced diet - Prepare and Use: Serving Suggestion: Why not try Ryvita Dark Rye crispbread with a layer of smooth cream cheese topped with roasted Mediterranean vegetables