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Vitamin Function Sources Deficiencies
1) Required to make a substance called Vitamin A is found as retinol in animal A deficiency may cause:
visual purple. foods, particularly: The retina ceases to make visual purple vision
2) Required to keep the mucous membranes ­ Milk, cheese, eggs, butter & oily fish…

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2) Vitamin D helps promote the absorption of Egg yolk An adult form of rickets is known as
these minerals. Margarine osteomalacia, it occurs particularly in the
3) After digestion they are absorbed from the Milk and dairy products elderly.
small intestine into the blood which takes Sunlight is an…


jill richardson


Very helpful table comparing vitamins A, B, C and D.

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