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 g. 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 g. Of the 3 g. 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.