Fat-soluble vitamins

Question 1

Fat-Soluble Vitamins

Answer 1

A, D, E and K.

Question 2

Vitamin A Function

Answer 2

Needed for good eyesight (+night vision), growth, healthy immune system and skin, also an antioxidant.

Question 3

Vitamin A Sources

Answer 3

Retinol (liver/butter/oily fish/eggs) / can be made from carotene (margarine/orange+yellow fruit and veg).

Question 4

Vitamin A Excess and Deficiency

Answer 4

Excess: weakened bones / high Vit A foods should be avoided during pregnancy.
Deficiency: night blindness / weakened immune system / stunted growth.

Question 5

Vitamin A Recommended Intake

Answer 5

• 0.7 mg for men daily

- 0.6 mg for women daily

Question 6

Vitamin D Function

Answer 6

Aids mineral absorption (inc. Calcium), which is important for healthy bone and teeth development.

Question 7

Vitamin D Sources

Answer 7

Sunlight / oily fish / egg yolks.

Question 8

Vitamin D Excess and Deficiency

Answer 8

Excess: excessive calcium absorption, which can lead to kidney damage.
Deficiency: bone diseases such as osteomalacia, rickets and osteoporosis.

Question 9

Vitamin D Recommended Intake

Answer 9

• 0.01 mg per day (men/women), although in summer, most should be able to get enough through natural exposure to the sun.

Question 10

Vitamin E Function

Answer 10

Keeps skin and eyes healthy, improves immune system, protects from free radicals.

Question 11

Vitamin E Sources

Answer 11

Leafy greens (spinach + kale) / broccoli / nuts / vegetable oils / wheat germ.

Question 12

Vitamin E Excess and Deficiency

Answer 12

Excess: interferes with blood clotting, causes nausea and blurred vision.
Deficiency: weak muscles, problems with sight.

Question 13

Vitamin E Recommended Intake

Answer 13

• 4 mg for men daily

- 3 mg for women daily

Question 14

Vitamin K Function

Answer 14

Helps blood clotting, heals wounds, maintains immune system and bones.

Question 15

Vitamin K Sources

Answer 15

Leafy greens / cereals / vegetable oils / some meats and dairy foods.

Question 16

Vitamin K Excess and Deficiency

Answer 16

Excess: no excessive level.
Deficiency: extremely rare in adults, but can cause uncontrolled bleeding in newborns.

Question 17

Vitamin K Recommended Intake

Answer 17

• 0.001 mg daily per kg of body weight

Question 18

Fat-soluble Vitamin storage

Answer 18

Any that aren’t used up by the body are stored in fat tissue for future use, which means we don’t have to take in the same amount every day.