Supplements as generally understood include vitamins, minerals, fiber, fatty acids, or amino acids, among other substances. U.S. authorities define dietary supplements as foods, while elsewhere they may be classified as drugs or other products. There are more than 50,000 dietary supplements available. More than half of the U.S. adult population (53% - 55%) consume dietary supplements with most common ones being multivitamins.
Wind power capacity has expanded to 369,553 MW by December 2014, and total wind energy production is growing rapidly and has reached around 4% of worldwide electricity usage.
Australia doesn't often get credit for its environment policy but when it comes to wind power, the state of South Australia is among the world's leaders. On a good day, when the wind's really blowing, it can account for all of the energy in our network.outh Australia is right up there with environmentally friendly Denmark, the world leader in wind power, with 39.1% of electricity production generated by wind in 2014, according to the Danish government.