General Mills has announced that it has boosted Vitamin D content in several of its Big G cereals to deliver 20 percent of the daily value. General Mills Adds Vitamin D to Some Cereals General Mills is doubling the amount of vitamin D in some of its most popular cereals. Golden Valley-based General Mills, the top-selling cereal maker in the U.S., said Cheerios and Cinnamon … Continue reading General Mills Adds Vitamin D (Made From Sheep’s Wool) In Cereals