NUTR 1010 Lecture 26: NUTR*1010 - Lecture 26
30 Nov 2016
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Document Summary
Structural support for organs and body segments. Protection of the brain and internal organs. Production of blood cells in bone marrow. Also called cholecalciferol or calcitriol (active form) A fat soluble vitamin the sunshine vitamin . Also considered a hormone a chemical messenger in the body. Conditionally essential nutrient: we can make it ourselves, if we"re 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 fight viruses and infections. This is seen more in a complete diet not just supplementing with pills. We synthesize it from a form of cholesterol in our skin (need uv light from the sun) People who live far from the equator. In 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 months.
