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How many types of vitamins are there and what are they?

Types of Vitamins

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
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. Because they are not readily stored, consistent daily intake is important. Many types of water-soluble vitamins are synthesized by bacteria.
Fat-soluble
Fat-soluble vitamins are absorbed through the intestinal tract with the help of lipids (fats). Because they are more likely to accumulate in the body, they are more likely to lead to hypervitaminosis than are water-soluble vitamins. Fat-soluble vitamin regulation is of particular significance in cystic fibrosis.

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  1. Vitamins are nutrients your body needs to function and fight off disease. Your body cannot produce vitamins itself, so you must get them through food you eat or in some cases supplements. There are 13 vitamins that are essential to your body working well. Knowledge of the different types and understanding the purpose of these vitamins are important for good health.

    Types and Examples of Foods
    There are two types of vitamins: fat-soluble and water-soluble. Fat-soluble vitamins are stored in your fat cells, consequently requiring fat in order to be absorbed. Water-soluble vitamins are not stored in your body; therefore, they need to be replenished daily. Your body takes what it needs from the food you eat and then excretes what is not needed as waste. Here is a list of vitamin types and some common food sources:

    The fat soluble vitamins:

    Vitamin A - comes from orange colored fruits and vegetables; dark leafy greens, like kale
    Vitamin D - can be found in fortified milk and dairy products; cereals; (and of course sunshine!)
    Vitamin E - is found in fortified cereals, leafy green vegetables, seeds, and nuts
    Vitamin K - can be found in dark green leafy vegetables and turnip/beet greens
    The water soluble vitamins:

    Vitamin B1 or Thiamin - come from whole grains, enriched grains; liver; nuts, and seeds
    Vitamin B2 or Riboflavin - comes from whole grains, enriched grains, and dairy products
    Vitamin B3 or Niacin - comes from meat, fish, poultry, and whole grains
    Vitamin B5 or Pantothenic Acid - comes from meat, poultry, and whole grains
    Vitamin B6 or Pyridoxine - comes from fortified cereals and soy products
    Vitamin B7 or Biotin - is found in fruits and meats
    Vitamin B9 or Folic Acid (Folate) - comes from leafy vegetables
    Vitamin B12 - comes from fish, poultry, meat, and dairy products
    Vitamin C - comes from citrus fruits and juices, such as oranges and grapefruits; red, yellow and green peppers

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