Cereal maker General Mills, hurt by low-carbohydrate diets in the past two years, went on the nutrition offensive last week, announcing that it will make all of its Big G brand cereals from whole grain flours.

Since 60% of its cereals already are whole grain products, including such company icons as Cheerios, Wheaties, Total and Wheat Chex, the announced plan isn't as sweeping as it might sound. From now on, however, other popular products such as Trix, Lucky Charms, Golden Grahams and Rice Chex also will be made from flours that contain all the nutrient value of the original grains.