File Name: vitamins and their functions .zip
Listing of vitamins
Micronutrients are one of the major groups of nutrients your body needs. They include vitamins and minerals. Vitamins are necessary for energy production, immune function, blood clotting and other functions. Meanwhile, minerals play an important role in growth, bone health, fluid balance and several other processes. This article provides a detailed overview of micronutrients, their functions and implications of excess consumption or deficiency. Your body needs smaller amounts of micronutrients relative to macronutrients. Humans must obtain micronutrients from food since your body cannot produce vitamins and minerals — for the most part.
Vitamins help your body grow and work the way it should. There are 13 essential vitamins — vitamins A, C, D, E, K, and the B vitamins thiamine, riboflavin, niacin, pantothenic acid, biotin, B 6 , B 12 , and folate. Vitamins have different jobs to help keep the body working properly. Some vitamins help you resist infections and keep your nerves healthy, while others may help your body get energy from food or help your blood clot properly. By following the Dietary Guidelines , you will get enough of most of these vitamins from food.
The list of vitamins and minerals below can give you an understanding of how particular different types of vitamins and minerals work in your body, how much of each nutrient you need every day , and what types of food to eat to ensure that you are getting an adequate supply. The recommendations in this vitamins chart are based largely on guidelines from the Institute of Medicine. Recommended amounts of different types of vitamins may be expressed in milligrams mg , micrograms mcg , or international units IU , depending on the nutrient. Unless specified, values represent those for adults ages 19 and older. Disclaimer: As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
Vitamins and Minerals
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The tables below list the vitamins , what they do in the body their functions , and their sources in food. Water-soluble vitamins travel freely through the body, and excess amounts usually are excreted by the kidneys. The body needs water-soluble vitamins in frequent, small doses.
Vitamins are a group of substances that are needed for normal cell function, growth, and development. There are 13 essential vitamins. This means that these vitamins are required for the body to work properly. They are:. Each of the vitamins listed below has an important job in the body.
The tables below list the vitamins , what they do in the body their functions , and their sources in food. Water-soluble vitamins travel freely through the body, and excess amounts usually are excreted by the kidneys. The body needs water-soluble vitamins in frequent, small doses. These vitamins are not as likely as fat-soluble vitamins to reach toxic levels.
A Harvard Health article. Vitamins and minerals are essential nutrients because they perform hundreds of roles in the body. There is a fine line between getting enough of these nutrients which is healthy and getting too much which can end up harming you. Eating a healthy diet remains the best way to get sufficient amounts of the vitamins and minerals you need.
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