Kritharenio nut Manna 400gr Cretan rusks Manna. Genuine and true. How genuine and true is the tradition that we keep alive in our family bakery, for 66 years working with the purest materials of the Cretan land. Barley nuts, handmade whole grains, are highly nutritious and an ideal form of energy. Rich in fiber and low in fat, they are a necessary supplement to a proper diet. 3 nuts cover 25% of daily fiber needs.