athletekitch said:
Read this in its entirety - results of use are ambiguous and if efficacious, best use for events 5minutes or less.
http://www.pponline.co.uk/encyc/0317.htm
It's not as cut and dried as PPO would have you believe. However, research shows that every study that used tribasic sodium phosphate was ergogenic in endurance exercise. In our research (see
http://cyclecoach.com/pageID-articles-Phosphates.htm for an overview) we found a significant performance effect on laboratory 10-mile TT peformance, using a randomised, placebo, double-blind crossover design.
Other phosphates that have been used have provided equivocal effects, and the potential mechanisms that may provide the ergogenic effect have yet to be fully elucidated.
Further, i know of know research that suggests that phosphate will only aid short term endurance (<5-mins). Our study took place over 10 miles (~ 21-mins) and other work (e.g., Kreider et al.) showed an increase in performance over a 25-mile TT.
There is more recent work (since our study was presented in 2000) showing that phosphate loading increases haematological parameters (our study just looked at the performance effect in well trained cyclists, and with short time between each trial and the fact it was randomised, is unlikely to be affected by training effect). see
http://www.ncbi.nlm.nih.gov/entrez/..._uids=12135811&query_hl=2&itool=pubmed_docsum
ric