Beef is also a valuable source of nutrients such as vitamin B12, zinc and iron which will all assist your body to maintain adequate energy levels on a low - carb diet. (ourpaleolife.com)
It occurs when blood glucose levels fall below the level required to maintain adequate energy for normal bodily functions. (allthenourishingthings.com)
He probably likes having a functional society with adequate energy to support 300 million people. (dotearth.blogs.nytimes.com)