Raw kale may be more nutritious, but it may also harm your thyroid function. Kale, along with other cruciferous vegetables, contains a high amount of goitrogens, which are compounds that can interfere with thyroid function ( 8 ). Specifically, raw kale contains a type of goitrogen called goitrins.

What is bad about eating kale?

That means that consuming big portions of raw kale, which you are likely doing to stay healthy, may actually lead to hormonal irregularities. That may well wreak havoc on blood sugar, weight, and overall metabolic health. Some say you could even develop a goiter.

Is kale inflammatory?

Kale is loaded with anti-inflammatory properties and contains a variety of phytonutrients and antioxidants that help protect our bodies against cellular damage.

A word of caution: Kale is very high in vitamin K , known as the clotting vitamin because without it, blood won’t clot properly. If you are taking blood thinning or anti-coagulant drugs, like warfarin (brand name Coumadin), you need to avoid large amounts of kale.