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 are natural substances found in plants and animals and known as Essential nutrients for human beings. The name vitamin is obtained from vital amines as it was originally thought that these substances were all amines. Human body uses these substances to stay healthy and support its many functions.