For most people, kale is a safe and healthy food choice. … Kale can also cause bloating in people who have difficulty digesting FODMAPs. You may also experience gastrointestinal distress from cruciferous vegetables if you have a C. diff infection.

Why does kale give you diarrhea?

There’s a simple reason for this superfood’s supergross side effect: carbohydrates. Kale is loaded with insoluble fiber and a carb called raffinose, neither of which can be broken down during digestion, explains Linda Ann Lee, M.D., director of the Johns Hopkins Integrative Medicine and Digestive Center.

Is kale gentle on stomach?

Cook kale instead of eating it raw Sautéing, steaming, or even baking kale can make it easier to consume. “It helps reduce the volume before you eat it, making it a bit easier on your stomach to break down,” says Tyffanie Ammeter, MS, RDN, CDN.