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Vitamin Guide > Vitamins > Vitamin A
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Vitamin A |
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Vitamin A Definition |
Vitamin A is a fat soluble vitamin with variety of functions in the body.
Vitamin A is essential for proper growth and development, men and women fertility, hard bones and teeth, vision, it has an important role in cells differentiate and reproduction, also important for the skin's health, has an important role in the immune system by keeping an infection-free environment of the lungs, metabolism system, mouth, nose, and more.
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Sources of Vitamin A |
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There are many sources of vitamin A in our everyday diet, such as: dairy products (milk, butter, and cheese), eggs, chicken, kidney, liver, fish oil, oranges, carrot, apricot, peach, pumpkin, mango, spinach, broccoli, and more.
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Lack of Vitamin A |
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When there is not enough vitamin A, a person may suffer from hard scaly skin, loss of appetite, fertility problems, may effect growth, cause night blindness, diarrhea, infections and eye inflammations, and more.
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Excess of Vitamin A |
Too much vitamin A may be harmful, causing: headaches, nausea, diarrhea, skin itches, hair loss, and loss of appetite, fatigue, menstruation irregularity, bone pain, orange skin, and more.
In some cases too much vitamin A can be fatal.
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