Effect of thirty days of creatine supplementation with phosphate salts on anaerobic working capacity and body weight in men

Joan M. Eckerson, Anthony A. Bull, Geri A. Moore

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The purpose of this study was to determine the effect of 30 days of single-dose creatine supplementation with phosphate salts (CPS) on body weight (BW) and anaerobic working capacity (AWC) in men. Using a double-blind design, 32 men randomly received 1 serving of either CPS (5 g Cr + 4 g phosphate) (n = 17) or 20 g of dextrose as placebo (PL) (n = 15) for 30 days. AWC determined from the Critical Power Test and BW were measured at baseline, 10 days, 20 days, 30 days, and 10 days post-supplementation. Results (2 × 5 ANOVA) showed no significant differences between groups for AWC at any time point; however, BW was significantly increased at 10 days in the CPS group (1.0 kg) vs. PL (0.0 kg), and remained elevated for the duration of the study. These findings suggest that a single 5 g·d -1 dose of CPS for 30 days increases BW but is not effective for increasing AWC in men.

Original languageEnglish (US)
Pages (from-to)826-832
Number of pages7
JournalJournal of strength and conditioning research
Volume22
Issue number3
DOIs
StatePublished - May 2008

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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