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Vitamin D (Toxicity (osteomalacia, death, loss of appetite, headaches,…
Vitamin D
Toxicity
osteomalacia
death
loss of appetite
headaches
increased risk for kidney stones
NO TOXICITY FROM SUN DERIVED VIT D
kidney damage
More time in sun needed for darker skinned individuals
Sources
Sun light
(in skin) form of cholesterol --> pre-cursor of Vit D
in kidneys: precursor activated and processed into final product
liver
fatty fish
cod liver oil
eggs
fortified yogurt and milk
Deficiency
(in children)
rickets
(in adults)
osteomalacia
decayed teeth/ malformation
depression
increased risk for kidney stones
Functions
resorption of Calcium from the kidneys
increases absorption of calcium
in GI tract
protect against cancer, hypertension, diabetes, metabolic syndrome, depression
maintains blood serum Ca
necessary for muscle contraction