Kale, broccoli, and cabbage are cruciferous vegetables, which contain raffinose — a sugar that remains undigested until bacteria in your gut ferment it, which produces gas and, in turn, makes you bloat. But don't shun those healthful greens just yet.

Does broccoli make you fart?

Vegetables

Certain vegetables such as Brussels sprouts, broccoli, cabbage, asparagus, and cauliflower are known to cause excess gas. Like beans, these vegetables also contain the complex sugar, raffinose.

Does broccoli cause gas and bloating?

Broccoli and other cruciferous vegetables are a family of vegetables that include broccoli, brussel sprouts, cabbage and more. Similarly to beans and legumes, these vegetables contain FODMAP's and can cause bloating.