Malabsorption of vitamins or may be induced by drugs. However, fat-soluble vitamins can be stored in the fat deposits of our bodies to massive degrees and this property confers upon them the potential for serious toxicity. The more serious side effects are more often observed with larger doses of vitamins. No beneficial effects from megavitamin therapy can be conclusively supported by scientific faces. Despite this, supposed health benefits derived from vitamins consumed in larger quantities are continually supported in newspapers, magazines and on television.
Energy comes from calories in the food and vitamins have no caloric value.
It has been well established that individuals require vitamin supplementation during illness, pregnancy, lactation stress, emotional upset, fat diets, alcoholism, and poverty associated with inadequate diets. However the proportional amount of money spent on vitamins does not correlate with the incidence of the above conditions and the importance of a dietary history in conjunction with a recommendation for vitamin supplementation cannot be overemphasized, Specific Vitamins , Water-soluble vitamins . Fat-soluble vitamins . A, D, E, K Vitamins have been given many names and classifications as scientists have learned more and more about them. At first they were assigned letters of the alphabet roughly according to the order in which they were discovered.