Although a low-FODMAP diet isn’t recommended for IBS-C, some people with IBS-C report greater abdominal distension after eating foods high in FODMAPs. Dietary fiber is only weakly associated with bloating or distention after eating.[1]
Both kiwis and dried, rehydrated figs have been shown to improve IBS-C symptoms at reasonable serving sizes of two kiwis per day or 45 grams of dried figs twice per day.[2][3]