Help to perform specific activities like produce energy, protect cells from damage, guide mineral utilization, and regulate cell and tissue growth.
Vitamins are organic compounds which are needed in small quantities to sustain life. We get vitamins from food, because the human body either does not produce enough of them, or none at all. An organic compound contains carbon. When an organism (living thing) cannot produce enough of an organic chemical compound that it needs in tiny amounts, and has to get it from food, it is called a vitamin. 1. Fat-soluble vitamins are absorbed through the intestinal tract with the help of fats (lipids). Water-soluble vitamins do not get stored in the body for long-they soon get expelled through urine. Water-soluble vitamins need to be replaced more often than fat-soluble ones. Vitamins A, D, E and K are fat-soluble. All B vitamins are water-soluble, meaning that the body does not store them. Like other B complex vitamins, thiamine is sometimes called an anti-stress vitamin because it may strengthen the immune system and improve the body's ability to withstand stressful conditions. Overview. Vitamin B1, also called thiamine or thiamin, is one of 8 B vitamins. All B vitamins help the body convert food (carbohydrates) into fuel (glucose), which the body uses to produce energy. These B vitamins, often referred to as B complex vitamins, also help the body metabolize fats and protein There are fat-soluble and water-soluble vitamins. Fat-soluble vitamins are stored in the fat tissues of our bodies, as well as the liver. Fat-soluble vitamins are easier to store than water-soluble ones, and can stay in the body as reserves for days, some of them for months. 1. Fat-soluble vitamins are absorbed through the intestinal tract with the help of fats (lipids). Water-soluble vitamins do not get stored in the body for long-they soon get expelled through urine. Water-soluble vitamins need to be replaced more often than fat-soluble ones. Vitamins A, D, E and K are fat-soluble. Vitamin A is a fat-soluble vitamin that is naturally present in many foods. Vitamin A is important for normal vision, the immune system, and reproduction. Vitamin A also helps the heart, lungs, kidneys, and other organs work properly. There are two different types of vitamin A. The first type, preformed vitamin A, is found in meat, poultry, fish, and dairy products. The second type, provitamin A, is found in fruits, vegetables, and other plant-based products. Vitamin D is a nutrient found in some foods that is needed for health and to maintain strong bones. It does so by helping the body absorb calcium (one of bone's main building blocks) from food and supplements. People who get too little vitamin D may develop soft, thin, and brittle bones, a condition known as rickets in children and osteomalacia in adults. Vitamin D is important to the body in many other ways as well In humans there are 13 vitamins: 4 fat-soluble (A, D, E, and K) and 9 water-soluble (8 B vitamins and vitamin C). Water-soluble vitamins dissolve easily in water and, in general, are readily excreted from the body, to the degree that urinary output is a strong predictor of vitamin consumption.  Basically, your body needs vitamins in order to work properly, and it needs different vitamins to help perform specific activities like produce energy, protect cells from damage, guide mineral utilization, and regulate cell and tissue growth.  Vitamin A is necessary for eye health and vision. Vitamin A, a fat-soluble vitamin found as either preformed vitamin A or provitamin A carotenoids in the diet, plays an important role in the growth and development of several systems in the body. According to the Office of Dietary Supplements, preformed vitamin A commonly comes from animal sources, especially liver. But unlike some water-soluble vitamins, such as vitamin C and the B vitamins, too much vitamin A can have an adverse effect on the body. A registered dietitian can help you determine how much vitamin A you need in your diet and ways to obtain it safely.
http://www.medicalnewstoday.com/articles/195878.php http://umm.edu/health/medical/altmed/supplement/vitamin-b1-thiamine http://www.medicalnewstoday.com/articles/195878.php https://ods.od.nih.gov/factsheets/VitaminA-Consumer/ https://ods.od.nih.gov/factsheets/VitaminD-Consumer/ https://en.wikipedia.org/wiki/Vitamin http://www.metagenics.com/faqs/what-do-vitamins-do-in-the-body http://healthyeating.sfgate.com/vitamin-do-5262.html
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