Chinese cabbage contains calcium and potassium, which are used by the body to regulate blood pressure. When you combine this with Chinese cabbage's low sodium content, you get a vegetable that is well suited to supporting your cardiovascular system. Helps regulate blood pressure. This leafy green vegetable is widely used in Asian dishes. It has smooth, dark green leaf blades forming a bunch of leaves similar to mustard or celery.  Best cooked when stir-fried, steamed, boiled or stuffed.