Buk choy is full of vitamins, minerals, antioxidants, and fiber that can benefit your health and well-being. Thanks to its sulfur-containing compounds and selenium that can fight cell damage and tumor growth, it can help to lower your risk of heart disease, by providing folate, vitamin B6, potassium, magnesium, and calcium that can regulate your blood pressure and homocysteine levels. It can support your bone health, by supplying calcium, phosphorus, iron, magnesium, and vitamin K that are essential for strong and healthy bones. It can fight inflammation, by offering quercetin, a flavonoid that can reduce inflammation and chronic diseases.