Why we need it
It is believed that sodium phosphate is a buffering agent, meaning that within the cells, this substance inhibits lactic acid production. Many of us have heard the words "lactic acid" and know its build-up is undesirable, but a lot of people are confused as to why this phenomenon takes place and what we can do about it.
Well, lactic acid is a byproduct of an energy system in our bodies called glycolysis, which our bodies rely on when we don't have enough ATP, the primary source for energy fuel used for the initial contraction of muscles. If our bodies have too much lactic acid, our muscles don't function properly - essentially, they just stop because their functions are inhibited by the toxic buildup.

Best forms
One form of phosphate that our bodies require is creatine phosphate (or phosphocreatine), which is the "storage form" of creatine in muscles. Creatine phosphate helps form ATP. When our bodies have more creatine phosphate, more ATP is created, and the result is lower levels of lactic acid in the muscle tissues, which means longer workouts without the burn, more reps, and enhanced endurance. One way to increase the creatine phosphate in our bodies is to supplement with sodium phosphate.
 

continued to athlete and phosphorus

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