Cauliflower is an extremely healthy vegetable that’s a significant source of nutrients. It also contains unique plant compounds that may reduce the risk of several diseases, including heart disease and cancer. Additionally, it’s weight loss friendly and incredibly easy to add to your diet. NUTRIENT CONTENT : As for vitamins and nutrients, one serving of cauliflower has 100% of the daily recommended amount of vitamin C. About a quarter of your daily vitamin K. 2% of your daily calcium and iron.