Ragini Singh, Ashok Kumar, Vijay Kumar, Vinod Kumar, Anand Prakash Singh, Sanjeev Kumar Tripathi, Seema Dwivedi, Dinesh Kumar, Surendra Kumar and Sandeep Kumar Singh*
Vitamins, very important known name need in very minute quantity and group of complex organic compounds present in natural food stuffs, play a key role in normal metabolism and lack of which in the diet causes deficiency several critical diseases. Vitamins are differentiated from the trace elements, also present in the diet in small quantities for health, growth, reproduction and other important metabolism. Vitamin are not formed in the body and need to take from natural source but some vitamin like A and K (Fat soluble vitamin) store in the body. Water soluble vitamin B complex and C (Water soluble vitamin) not store in the body and excess amount may easily pass out. In absent of single vitamin from the diet of a species that requires it will produce deficiency signs and symptoms. Deficiency and excesses of vitamin may cause harmful effect on the body and cause causes many symptoms.