... out of bed in the morning to sprinting after the bus, ATP is responsible for all of the muscle action that we take for granted. All fuel sources, which include carbohydrates, fats, and protein, must first be converted through a number of chemical reactions to ATP before it can be used for fuel. ATP is a simple chemical consisting of one molecule of ... ...
... phosphate molecule. Creatine supplies the missing phosphate. "ATP and creatine phosphate are the body's immediate sources of energy," said Bob Girandola, a professor in exercise science. Other sources, like fats and carbohydrates, have to be metabolized first before they can be used as energy, he said. However, the body has a limited supply of ATP and creatine phosphate, and when the reserve is ... ...
... day. One may increase the diet to 20 grams per day, for 5 days, to gain initial muscle mass, but any amount above that will be wasted out through urine. Also, carbohydrates consumed with creatine will increase the muscles" uptake of creatine concentration. The amount may vary depending on the type of athlete one is. Power lifters use a 4-56 day loading phase ... ...
