List Of Vitamins And Their Sources And Deficiency Diseases Pdf
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- Vitamins: Their Functions and Sources
- Vitamins and Minerals – Deficiency Diseases
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A vitamin is an organic molecule or a set of molecules closely related chemically, i. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient quantities, and therefore must be obtained through the diet.
Vitamin , any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. Vitamins are distinct in several ways from other biologically important compounds such as protein s, carbohydrate s, and lipid s. Although these latter substances also are indispensable for proper bodily functions, almost all of them can be synthesized by animals in adequate quantities. Vitamins, on the other hand, generally cannot be synthesized in amounts sufficient to meet bodily needs and therefore must be obtained from the diet or from some synthetic source. For this reason, vitamins are called essential nutrients.
Vitamins: Their Functions and Sources
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. Every day, your body produces skin, muscle, and bone. It churns out rich red blood that carries nutrients and oxygen to remote outposts, and it sends nerve signals skipping along thousands of miles of brain and body pathways.
Vitamins and Minerals – Deficiency Diseases
By definition, a nutrient is any substance that is absorbed and either provides you with energy or enables growth, repair or proper functioning of your body. There are seven main classes of nutrients that the body needs. These are carbohydrates, proteins, fats, vitamins, minerals, fibre and water. It is important that everyone consumes these seven nutrients on a daily basis to help them build their bodies and maintain their health. Deficiencies, excesses and imbalances in diet can produce negative impacts on health, which may lead to diseases. This list of nutrients, their sources, constituents and deficiency diseases will help you prepare for the Competetive Examination.
If you're like most kids, you've probably heard at least one parent say, "Don't forget to take your vitamin! Vitamins and minerals are substances that are found in foods we eat. Your body needs them to work properly, so you grow and develop just like you should. When it comes to vitamins, each one has a special role to play. For example:.
The tables below list the vitamins, what they do in the body (their functions), and their sources in food. Water-soluble vitamins Water-soluble vitamins travel freely.
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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.
Jump to content. 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.
Vitamin A, along with other vitamins, minerals and other compounds, is an essential micronutrient. This means that our bodies cannot manufacture it and therefore it has to be included in our diet. Vitamin A from food is stored in the liver until required by the body and is bound to protein before being transported to where it is needed. Vitamin A is essential for many physiological processes, including maintaining the integrity and function of all surface tissues epithelia : for example, the skin, the lining of the respiratory tract, the gut, the bladder, the inner ear and the eye.
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