For other uses of the word, see discursive. Discursive Psychology (DP) is a form of discourse analysis that focuses on psychological themes in talk, text and images.
The vitamins include vitamin D, vitamin E, vitamin A, and vitamin K, or the fat-soluble vitamins, and folate (folic acid), vitamin B12, biotin, vitamin B6, niacin, thiamin, riboflavin, pantothenic acid, and vitamin C (ascorbic acid), or the water-soluble vitamins.
Vitamins and minerals serve a variety of functions throughout the body and are found in different foods. Vitamins and minerals are chemical compounds needed for proper functioning of the human body. There are two types of vitamins: fat-soluble and water-soluble. Fat-soluble vitamins -- A, D, E and K -- dissolve in fat and can be stored in the body. Water-soluble vitamins -- B-complex and C -- dissolve in water. Minerals are inorganic elements. Vitamins and minerals have specific functions and are derived from a variety of food sources.