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.
B vitamins. 1  Biotin (vitamin B7) 2  Folic acid (folate, vitamin B9) 3  Niacin (vitamin B3) 4  Pantothenic acid (vitamin B5. 5  Riboflavin (vitamin B2) 6  Thiamin (vitamin B1) 7  Vitamin B6. 8  Vitamin B12.