El dukan alkama hatsin rai, ana yin shi da babban rabo na garin hatsin rai. wanda yake samarda adadi mai yawa na hadadden bitamin B. Yana bada kuzari don amfani mai tsawo da kuma fiber mai yawa. Wannan na karshen yana kara yawan kujeru kuma yana hanzarta wucewarsa ta cikin hanji, wanda ke taimakawa wajen kawar da abubuwa masu cutar kansa kuma ta haka yana hana cutar kansa ta babban hanji ko hanji.
Irin wannan gurasar ana iya amfani da ita yau da kullun cikin isasshen adadi, kasancewar dace don karin kumallo ko abun ciye-ciye kuma idan zai yiwu toasted. An ba da shawarar kada a cinye idan akwai cutar celiac, tunda hatsin rai ya ƙunshi furotin da ake kira gluten, wanda za a iya maye gurbinsa da wainar shinkafa. Dangane da adadin kuzari, yankakken gurasar hatsin alkama tana ba da adadin kuzari 66.