Whole grain oat & corn cereal. General Mills Whole Grain. Goodness Corner: Good source whole grain; Excellent source iron; Good source calcium; 110 Calories per serving. Frosted Cheerios cereal is a good source of whole grain. 9 out of 10 Americans aren't getting enough whole grain. Whole grain packs a powerful punch. The plant nutrients, antioxidants, vitamins, minerals and fiber in whole grain work together to help keep you healthy. Diets rich in whole grain foods can help you maintain a healthier body weight. (A growing body of evidence supports that those who consume diets rich in whole grain tend to have a healthier body weight than those who don't.) Aim for at least 3 servings of whole grain each day. Now all your favorite General Mills cereals have the added benefit of whole grain. The same taste you know and love with whole grain. How do I find grain cereals? General Mills is making it easy to find whole grain. start your day the healthy whole grain way. Exchange: 1-1/2 Starch.