Function
are a group of substances that are needed for normal cell function, growth, and development. The four fat-soluble vitamins are vitamins A, D, E, and K. These vitamins are absorbed more easily by the body in the presence of dietary fat. The nine water-soluble vitamins are vitamin C and all the B vitamins.
Any leftover or excess amounts of these leave the body through the urine. They have to be consumed on a regular basis to prevent shortages or deficiencies in the body.
What Are Vitamins?
Having too little of any particular vitamin may increase the risk of developing certain health issues.
It is also an essential nutrient that the body may need to get from food.
Fat-Soluble And Water-Soluble Vitamins
Vitamins are either soluble, or dissolvable, in fat or water. We describe both types below: Fat-soluble vitamins Vitamins A, D, E, and K are fat-soluble.
Dietary fats help the body absorb fat-soluble vitamins through the intestinal tract. Water-soluble vitamins Water-soluble vitamins do not stay in the body for long and cannot be stored. Because of this, people need a more regular supply of water-soluble vitamins than fat-soluble ones.
Vitamin C and all the B vitamins are water-soluble . Vitamin supplements Many people in the United States take multivitamins and other supplements, though these may not be necessary or helpful, according to research . A balanced, varied diet that contains plenty of fruits and vegetables should be the primary source of vitamins.
The Department of Health and Human Services provide up-to-date guidelines detailing the best ways to get enough nutrients from the diet. Fortified foods and supplements may be appropriate in some cases, however, such as during pregnancy, for people with restricted diets, and for people with specific health issues. Anyone taking supplements should be careful not to exceed the maximum dose, as research shows that taking too much of any vitamin can lead to health problems.
Various supplements are available for purchase online.
Contents
Most people should get all the nutrients they need by having a varied and balanced diet, although some people may need to take extra supplement.