1 Each additional ounce will cost $0.22 (up one cent from 2014). 2  Postcard rates will increase by one cent to $0.35 from $0.34. 3  Media Mail will see an increase of 6.2% in 2015. 4  Rates will start at $2.72 (1 lb.), up $0.03 compared to 2014.
Vitamins and minerals are nutrients that the body requires to function properly. Vitamins can be fat-soluble or water-soluble. The fat-soluble vitamins are vitamins A, D, E, and K. Fat-soluble vitamins dissolve in fat and are stored in the body.
Vitamins and minerals serve a variety of functions throughout the body and are found in different foods. Vitamins and minerals are chemical compounds needed for proper functioning of the human body. There are two types of vitamins: fat-soluble and water-soluble. Fat-soluble vitamins -- A, D, E and K -- dissolve in fat and can be stored in the body. Water-soluble vitamins -- B-complex and C -- dissolve in water. Minerals are inorganic elements. Vitamins and minerals have specific functions and are derived from a variety of food sources.