The effects of sodium citrate ingestion on 3,000-meter time-trial performance.
The effect sodium citrate ingestion had on 3,000-m running performance was examined. Nine elite multidisciplinary athletes (7 men and 2 women, age 27.8 +/- 4.7 years, height 176 +/- 11 cm, mass 70.9 +/- 8.7 kg) completed two 3,000-m trials. The trials were double-blind and randomly assigned for sodium citrate (0.5 g x kg(-1) body mass) and for sodium (NaCl, 0.1 g x kg(-1) body mass). Split times, heart rate (HR), and 3,000-m completion times were measured. Blood samples were collected preingestion, pre-exercise, postexercise, and 10 minutes postexercise and analyzed for lactate concentration. Blood lactate (LA) was significantly higher (p < 0.05) for the sodium citrate trial, both postexercise and 10 minutes postexercise. No significant differences (p > 0.05) in HR were observed between trials. Performance time was significantly faster (p < 0.05) for the sodium citrate trial (610.9 +/- 36.6 seconds) compared with the placebo trial (621.6 +/- 31.4 seconds). Sodium citrate ingestion improved 3,000-m running performance in elite multidisciplinary athletes; however, the high potential for gastrointestinal distress likely precludes the use of sodium citrate as an ergogenic aid among athletes.
Shave
R
R
School of Sport, Performing Arts, and Leisure, The University of Wolverhampton, West Mids, England.
Whyte
G
G
Siemann
A
A
Doggart
L
L
D000328:Adult; D002951:Citrates / Q000009:adverse effects / Q000494:pharmacology*; D004311:Double-Blind Method; D005260:Female; D005767:Gastrointestinal Diseases / Q000139:chemically induced; D006339:Heart Rate; D006801:Humans; D019344:Lactic Acid / Q000097:blood; D008297:Male; D012420:Running; D000077559:Sodium Citrate
D002951:Citrates; D000077559:Sodium Citrate; D019344:Lactic Acid