Anaerobic power responses to amino acid nutritional supplementation.

C. M. Maresh, C. L. Gabaree, J. R. Hoffman, D. R. Hannon, M. R. Deschenes, L. E. Armstrong, A. Abraham, F. E. Bailey, W. J. Kraemer

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5 Scopus citations


To examine the effect of a nutritional supplement (ATP-E) on high intensity exercise performance, 23 physically active males volunteered to perform six Wingate Anaerobic Power tests. Tests were performed prior to and at 14 and 21 days during ATP-E or placebo ingestion. The experiment followed a double-blind and random-order design. Twelve subjects (responders, R) showed an increase in preexercise blood ATP on Day 14 of ATP-E ingestion compared to control measures. The remaining 11 subjects (nonresponders, NR) had no change in preexercise blood ATP. Peak power and mean power were unchanged for both R and NR subjects across the exercise tests, but R experienced a decrease (p < 0.05) in immediate post-exercise plasma lactate on Day 14 of ATP-E testing compared to their control measures. NR had no change in peak plasma lactate at any time during the study. The results suggest that short-term high intensity exercise performance was maintained in R with less reliance on anaerobic metabolism, and that response was evident following 14 days of ATP-E ingestion.

Original languageEnglish
Pages (from-to)366-377
Number of pages12
JournalInternational Journal of Sport Nutrition
Issue number4
StatePublished - Dec 1991
Externally publishedYes


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