Kale—also known as leaf cabbage—comes from the cruciferous family, which also includes Broccoli and Brussels sprouts. It is immensely valued for it's high nutrition content and versatile nature. Commonly enjoyed raw in salads and smoothies, kale can also be steamed, sautéed, boiled, or baked. While it boasts of a high nutrition profile, it also contains goitrin—a compound that can impact thyroid function. What's The Big Deal With Kale? Kale is renowned for its high nutritional value. It is low in calories but rich in essential vitamins, minerals, and antioxidants, it offers an excellent dietary addition. For instance, one cup (21 grams) of raw kale contains just 7 calories but is a powerhouse of vitamins A, C, and K, along with key minerals such as manganese, calcium, and magnesium. Its abundance of antioxidants helps counteract oxidative stress caused by free radicals, potentially reducing the risk of heart disease, Alzheimer’s, and some cancers. Additionally, kale supports heart and eye health while offering protective benefits against certain cancers. Does Cooking Affect Nutritional Value? Cooking kale can reduce its natural bitterness but also diminishes its nutrient content. Studies show that heat reduces antioxidants, vitamin C, and minerals like calcium and potassium. Among cooking methods, steaming retains the most nutrients, making it a preferred option for preserving kale's health benefits while enhancing its taste. Raw Kale And Thyroid Health Raw kale contains goitrins, compounds that may interfere with iodine uptake, essential for thyroid hormone production. This can pose risks for those with thyroid conditions. However, only excessive consumption—more than 1 kg daily over several months—has shown to significantly impair thyroid function in healthy individuals. For those with thyroid issues, moderate intake of kale is generally safe, especially when balanced with adequate iodine sources like seafood and dairy. Cooking kale deactivates enzymes responsible for goitrin release, making it a safer option for sensitive individuals. Balancing Kale in Your Diet Kale stands out as one of the healthiest foods due to its high concentration of nutrients. While raw kale may retain the most nutrients, incorporating both raw and cooked kale can help balance nutritional benefits and mitigate potential risks. By blending kale into salads, smoothies, or soups and combining it with other colourful vegetables, you can ensure a nutrient-rich diet while supporting your thyroid and overall health.