Recommended Daily Value

• 15-20 mcg (600-800 IU)

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Function

• Supports bone health,

• Helps the body absorb calcium

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Deficiency Symptoms

• Rickets,

• Osteomalacia,

• Muscle weakness

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Top Foods (per 100g serving)

• Salmon (455 IU),

• Tuna (154 IU),

• Fortified Milk (115-124 IU),

• Egg Yolks (41 IU),

• Beef Liver (42 IU)

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Toxicity to Humans

Overdose can lead to kidney damage, calcium deposits in soft tissues

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Promoters

• Sun Exposure,

• Fortified Foods,

• Cod Liver Oil

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Adversaries

• Dark skin,

• Older age,

• Obesity,

• Sunscreen use

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