April 21, 2010. 1  Income taxes can be very complex. However, much of what makes the tax code seem so complicated is that in order to prevent ambiguity and unintended uses of tax laws, the Internal Revenue Service (IRS) must specifically define not only each rule, but terms used within those rules.
Antioxidant Benefits of Bok Choy. As an excellent source of vitamin C, vitamin A (in the form of carotenoids), and manganese, and a good source of zinc, bok choy provides us with a concentration of these core conventional antioxidants.
Leafy green vegetables, such as collards, bok choy, kale and turnip greens, are also a good source of this important nutrient. Many of the leafy greens provide between 80 and 180 mg of calcium per serving.