Half and half is a mix of half whole milk and half cream. It is usually found in cartons in the dairy section of most major supermarkets. Most often used in coffee, half and half may also be used for baking, to thicken sauces or as an ingredient in ice cream. Half and half contains a number of nutrients, but it is high in calories and saturated fat.
Half and half provides 25 percent of the recommended dietary allowance for calcium. A cup also provides 17 percent of the RDA for vitamin A, 4 percent for vitamin C and 1 percent for iron, based on a 2,000-calorie diet. Other nutrients in half and half include 21 percent of the RDA for riboflavin, 13 percent for vitamin B12, 4 percent for vitamins E and K, 5 percent for vitamin B6, 6 percent for thiamin and magnesium, 7 percent for pantothenic acid, 9 percent for potassium, 8 percent for zinc and 6 percent for selenium. A cup of half and half contains 89.5 mg of cholesterol.