As of 2007, daylight time begins in the United States on the second Sunday in March and ends on the first Sunday in November. On the second Sunday in March, clocks are set ahead one hour at 2:00 a.m. local standard time (which becomes 3:00 a.m. local daylight time). On the first Sunday in November, clocks are set back one hour at 2:00 a.m. local daylight time (which becomes 1:00 a.m. local standard time). These dates were established by Congress in the Energy Policy Act of 2005, Pub.
The B complex vitamins are essential to your metabolism and the health of your body. They are not the only vitamins that you need. In addition to the eight B vitamins, you need to consume vitamins A, C, D, E and K. Together, these vitamins make up the 13 essential vitamins.
10, 11, 12. Vitamin D helps the body absorb calcium, which is important for healthy teeth and bones. It also helps maintain proper blood levels of calcium and phosphorus. 10, 11, 12. Vitamin E is an antioxidant that plays a role in the formation of red blood cells.10, 11, 12. Vitamin K is required for normal coagulation of the blood. Some studies suggest that it helps maintain bone health in the elderly.itamins are either water-soluble (such as vitamin C and the B vitamins) or fat-soluble (A, D, E, and K). Water-soluble vitamins are absorbed by the intestine and carried by our blood to specific body tissues where they are needed.