VITAMIN A

Recommended Daily Value

• 700-900 μg RAE

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Function

• Vision,

• Immune function,

• Cell growth and differentiation

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Deficiency Symptoms

• Night blindness,

• Poor immune function,

• Dry skin and hair

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Top Foods

• Beef liver (328% DV per 100g),

• Sweet potatoes (491% DV per 100g),

• Carrots (205% DV per 100g)

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Toxicity to Humans

High doses can cause:

• Liver damage and,

• Birth defects

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Promoters

• Beta-carotene,

• Dietary fat

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Adversaries

• Alcohol,

• Drugs that induce liver enzymes

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