Post Grape Nuts Flakes Breakfast Cereal packs plenty of punch and even bigger crunch for the modern-day active lifestyle. This Post Grape-Nuts Flakes cereal features whole grain wheat and barley baked into light and crispy cereal flakes. A good source of fiber, Grape-Nuts Flakes Cereal is a heart-healthy option (2) with 34 grams of whole grain per serving (1). It's also high in iron and folate, low in fat and cholesterol free for power-packed nutrition you can feel good about eating. Enjoy a crunchy bowl of Grape Nuts Flakes cereal with fruit in the morning to prepare you to power through your day. Keep a box of Grape-Nuts Flakes on hand for a crispy breakfast everyone will go nuts over. (1) Nutritionists recommend eating 3 or more servings of whole grain foods per day (about 16g whole grain per serving or at least 48g per day). (2) Diets low in saturated fat and cholesterol, and as low as possible in trans fat, may reduce the risk of heart disease.