Regular intake of sodium phosphate (Race Day Boost's main ingredient) will cause the body to build up a tolerance to this particular substance, requiring that higher amounts will need to be taken in order to accrue the same beneficial effects. Additionally, the 193 mg of sodium that naturally occurs in each serving of Race Day Boost is unnecessary and undesirable, as our diets already contain excess amounts of sodium. Lastly, phosphate interferes with calcium absorption, which is obviously not beneficial for overall health.