Vitamin A deficiency
Vitamin A deficiency is when you don’t get enough vitamin A in your diet. Your body needs a certain amount of vitamin A to function well.
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Vitamin K deficiency
Vitamin K deficiency can stop your blood from clotting properly and weaken your bones. Read more about how to prevent and treat vitamin K deficiency.
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Vitamin B deficiency
Vitamin B deficiency can happen when you don’t get enough of the right nutrients. Learn about the symptoms of vitamin B deficiency.
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Vitamin C deficiency
Vitamin C deficiency can happen when you don’t have enough fruits and vegetables in your diet. Learn more about vitamin C deficiency and scurvy here.
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Vitamin D deficiency
Vitamin D deficiency occurs when your body doesn't get enough vitamin D to function well. Learn about the symptoms and how to get enough vitamin D.
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Vitamin A and your health
Vitamin A (retinol) is important for your vision, skin and immune system. Most Australians can get enough vitamin A by eating a varied, healthy diet.
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Vitamin E and your health
Vitamin E is important for proper functioning of many of your body's organs. Find out which foods are high in vitamin E and how much you need.
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Vitamin D test
Vitamin D is important for bone health. A vitamin D blood test checks the level of 25-hydroxy-vitamin D in your blood. Find out more here.
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Colour blindness
If you are colour blind, you may find it hard to tell red from green, or blue from yellow. Find out more about colour vision testing.
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Parathyroid glands
Your parathyroid glands are small glands that are found in your neck and make parathyroid hormone (PTH). Find out more about PTH here.
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