Studies have shown that when athletes supplement their diets with phosphates they significantly increase their endurance (Rupp, et al 1983; Wilkes, et al 1983; Costill, et al 1984). Sodium phosphate acts as a buffering agent to reduce the production of lactic acid in anaerobic exercise. Anaerobic exercise is when muscles do not use oxygen, but instead use lactic acid, which causes muscles to fatigue, as is the case in weight training. Thus using phosphates may help you to train that bit more before the onset of fatigue.
Phosphates may also be important in sports as the are used to form creatine phosphate (CP), and lack of phosphates will mean CP cannot be formed, no matter how much you supplement with creatine monohydrate.
However, studies are not of great design, and a varied balanced diet should provide a good intake of phosphates for the above functions. No bodybuilding applications here, though phosphates may be of limited us to endurance athletes.
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Ever since the fitness craze in the 1980’s, we have become a nation increasingly aware of our health and physique. Millions of dollars are spent every year in the quest for a perfect body. Gyms are big business, personal trainers are making a tidy living helping people stay fit, and body building supplements are at an all-time level of performance.