Attune Foods, LLC | 1,831 followers on LinkedIn. Attune Foods, a division of Post Holdings, Inc., is a dynamic division which has continued to grow with a strong emphasis in cereal and private label. At Attune Foods, we make foods you can feel about feeding the whole family including Uncle Sam high fiber cereal, Erewhon organic gluten-free cereals, attune probiotic chocolate bars, Peace cereals, Sweet Home Farm Granola, Willamette Valley Granola and Golden Temple Bulk Granola. We believe what matters most is what's inside.