Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Gwanin inabi shine hatsi na karin kumallo wanda C. W. Post ya ci gaba a shekara ta 1897.
Tabbas, mafi rikitarwa na jumlar ita ce "Grape - Nuts shine hatsi na karin kumallo wanda aka kirkira a 1897 ta C. W. Post, mai haƙuri kuma daga baya abokin hamayya na karni na 19 mai kirkirar abincin karin kumallo, Dr. John Harvey Kellogg. "