Origin: or spin transport electronics. Spintronics. Spintronics, also known as magnetoelectronics, is an emerging technology exploiting both the intrinsic spin of the electron and its associated magnetic moment, in addition to its fundamental electronic charge, in solid-state devices.
Vitamin supplements are mostly a waste of money. Vitamin and mineral supplements used to live on one shelf in the pharmacy. Now there are whole emporia devoted to them. Vitamin and mineral supplements used to live on one shelf in the pharmacy. Now there are whole emporia devoted to them. Which tells you how Americans feel about the promise of finding health in a bottle.
Unlike protein, carbohydrates and fats, vitamins do not yield usable energy when broken down - they are truly calorie free. However, they assist the enzymes that release energy from carbohydrates, proteins and fats, while providing no energy themselves. This does not mean vitamins are not important! Although the vitamins themselves don't provide energy, many are required for chemical reactions that do produce energy. In this sense, vitamins can give you energy. Vitamins are substances the body needs in small amounts to support most body functions and prevent disease.