4. Broccoli Rabe
Calcium Content: A cup of steamed broccoli rabe contains 301 mg of calcium, which is 30% of our body’s daily calcium content.
Other Benefits: Broccoli rabe also contains glucosinolates, which are effective against stomach, lung, colon and prostate cancer. Broccoli rabe is bitter, which is an indication of its folate content that is good protection against heart defects and diseases.
How It Can Be Consumed: Boiling or steaming green leafy vegetables is the still the best way to cook them. Boiling and steaming increases the nutrient content of the vegetables. Also, wait to wash the vegetables until right before cutting them to keep the nutrients locked in. Soaking the vegetables removes the nutrients such as Vitamin C, so avoid soaking them.