NUTR 1010 Lecture Notes - Lecture 10: Bone Pain, Wear Sunscreen, A Reminder

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Also called cholecalciferol and calcitriol (active form) A fat soluble vitamin - sunshine vitamin. Conditionally essentially we can make it ourselves if were exposed to enough sunlight. If not, we have to get it from foods. Vitamin d important for calcium balance. Vitamin d may play a role in helping the body ght viruses and infections. Synthesize it from a form of cholesterol in our skin (need uv light from the sun) People who live far from the equator. Edmonton, alberta people synthesize no vitamin d between october and may. Up to 40% of canadians have inadequate blood vitamin d levels during winter and/or spring. Fatty sh wild salmon, herring, trout, mackerel. Farmed salmon has about 1/4 the vitamin d as wild. Most of our dietary vitamin d comes from forti ed beverages. Yogurt and cheese are not forti ed with vitamin d. Almost 1000 iu in a 3oz serving.

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