The ingredients list for Cheerios includes whole grain oats, corn starch, sugar, salt, tripotassium phosphate, wheat starch and Vitamin E (mixed tocopherols) as a freshness preserver. Vitamins and minerals include calcium carbonate, iron, zinc and Vitamins C, B6, A, B1, B12, D3, folic acid and niacinamide.
A 1-cup serving of Cheerios has 100 calories, 15 of which are from fat, and contains 0 grams of cholesterol. A serving contains 140 milligrams of sodium and 180 milligrams of potassium. It also contains 20 grams of total carbohydrates, including 3 grams of dietary fiber and 1 gram of sugar. Three grams of protein are in a serving of Cheerios, which is 9 percent of the recommended daily intake. One cup of Cheerios contains 8 percent of the recommended daily intake of magnesium, 10 percent of Vitamins A, C and D and the minerals calcium and phosphorous, 25 percent of thiamine, niacin, Vitamins B6, B12 and zinc, and 45 percent of the daily recommendation for iron. A serving also has 50 percent of the recommended daily intake of folic acid. These figures apply to the cereal alone and not to any added milk. Made by General Mills, Cheerios first appeared on May 1, 1941, under the name "CheeriOats." It was renamed "Cheerios" in 1945. Various versions of the cereal started hitting the market in 1976, beginning with Cinnamon Nut Cheerios and followed by Honey Nut Cheerios.