Vitamins Minerals：复合维生素和矿物质.ppt

Vitamins!!! What is a vitamin? Vitamins are organic substances necessary for life Why do I need them? essential to the normal functioning of our bodies, and except for a few exceptions, cannot be made by our bodies How do vitamins do it all???? Fat Soluble Vitamins Step 1 - eat food with fat soluble vitamins Step 2 - vitamins are stored in fat in body/liver Step 3 - vitamins wait around until they are needed, up to 6 months!!! Step 4 - when they are needed they are accessed (Vitamins A, D, E, and K are all fat-soluble vitamins) Continued… Water Soluble Vitamins Step 1 - Eat foods with water soluble vitamins Step 2 - Vitamins travel through bloodstream Step 3 - Whatever your body doesn’t use comes out when you pee ? ***These vitamins need to be replaced often cause they don’t stick around!!!*** (vitamin C, B1 (thiamin), B2 (riboflavin), niacin, B6 (pyridoxine), folic acid, B12 (cobalamine), biotin, and pantothenic acid) What do vitamins do? Have hundreds of different functions Vitamin A Found in: milk fortified with vitamin A liver orange fruits and vegetables (cantaloupe, carrots, sweet potatoes) dark green leafy vegetables (like kale, collards, spinach) enable cell growth help us see in color instead of black and white B Vitamins Found in: whole grains, such as wheat and oats fish and seafood poultry and meats eggs dairy products, like milk and yogurt leafy green vegetables beans and peas -important in metabolic activity, make energy and set it free -Important for metabolic activity (make energy set it free!!!) Vitamin C Found in: citrus fruits, like oranges cantaloupe strawberries tomatoes broccoli cabbage kiwi fruit sweet red peppers -important for keeping body tissues, such as gums and muscles in good shape, healing cuts and resisting infection Vitamin D milk fortified with vitamin D fish egg yolks liver fortified cereal -important for forming and maintaining strong bones and tee