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.
Ambit Energy â 20 Million Dollar Top Earners. With the recent opening of Maine & Massachusetts, Ambit Energy is spreading rapidly throughout the United States. Ambit Energy is the largest Direct Seller of Electricity and Gas now serving 14 states and the District of Columbia. Expansion is continuous.