Mccann's instant oatmeal is made from oats grown in ireland. Enjoy the whole-grain goodness of mccann's irish oatmeal today. Each packet is one serving has 100 calories and 2 oz total fat. Soluble fiber from oatmeal as part of a diet low in saturated fat and cholesterol may reduce the risk of heart disease. One serving of oatmeal supplies 1 oz of the 3 oz of beta-glucan soluble fiber necessary per day to have this effect. We've been warming the hearts minds and souls of the most discriminating oatmeal lovers for 150 years.