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Article

The Effects of a Multi-Ingredient Performance Supplement on Hormonal Profiles and Body Composition in Male College Athletes

1
Applied Science and Performance Institute, Tampa, FL 33607, USA
2
Department of Health Sciences and Human Performance, The University of Tampa, Tampa, FL 33606, USA
3
Maximum Human Performance, West Caldwell, NJ 07006, USA
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Beat Knechtle
Received: 18 March 2016 / Revised: 12 April 2016 / Accepted: 18 April 2016 / Published: 6 May 2016
(This article belongs to the Special Issue Sport Nutrition for Health and Performance)
Periods of intense training can elicit an acute decline in performance and body composition associated with weakened hormone profiles. This study investigated the effects of a multi-ingredient performance supplement (MIPS) on body composition and hormone levels in college athletes following a six-week training protocol. Twenty male college athletes were equally assigned to MIPS and placebo (PLA) groups for supplementation (three pills, twice daily) in conjunction with resistance training and specialized sports training (e.g., nine total sessions/week) for six weeks. Dual Energy X-ray Absorptiometry determined body composition at weeks 0 and 6. Serum samples collected at weeks 0 and 6 determined free testosterone (FT), total testosterone (TT), IGF-1 and total estrogen (TE) levels. PLA experienced a significant decline in lean body mass (LBM) (−1.5 kg; p < 0.05) whereas the MIPS sustained LBM. The MIPS increased TT 21.9% (541.5 ± 48.7 to 639.1 ± 31.7) and increased FT 15.2% (13.28 ± 1.1 to 15.45 ± 1.3 ng/dL) (p < 0.05). Conversely, PLA decreased TT 7.9% (554.5 ± 43.3 to 497.2 ± 39.1 ng/dL), decreased FT 17.4% (13.41 ± 1.8 to 11.23 ± 2.55 ng/dL), and decreased FT:E 12.06% (p < 0.05). These findings suggest the MIPS can prevent decrements in LBM and anabolic hormone profiles during intense training periods. View Full-Text
Keywords: lean body mass; resistance training; testosterone; herbal ingredients lean body mass; resistance training; testosterone; herbal ingredients
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MDPI and ACS Style

Sharp, M.H.; Shields, K.A.; Rauch, J.T.; Lowery, R.P.; Durkee, S.E.; Wilson, G.J.; De Souza, E.O. The Effects of a Multi-Ingredient Performance Supplement on Hormonal Profiles and Body Composition in Male College Athletes. Sports 2016, 4, 26. https://0-doi-org.brum.beds.ac.uk/10.3390/sports4020026

AMA Style

Sharp MH, Shields KA, Rauch JT, Lowery RP, Durkee SE, Wilson GJ, De Souza EO. The Effects of a Multi-Ingredient Performance Supplement on Hormonal Profiles and Body Composition in Male College Athletes. Sports. 2016; 4(2):26. https://0-doi-org.brum.beds.ac.uk/10.3390/sports4020026

Chicago/Turabian Style

Sharp, Matthew H., Kevin A. Shields, Jacob T. Rauch, Ryan P. Lowery, Shane E. Durkee, Gabriel J. Wilson, and Eduardo O. De Souza 2016. "The Effects of a Multi-Ingredient Performance Supplement on Hormonal Profiles and Body Composition in Male College Athletes" Sports 4, no. 2: 26. https://0-doi-org.brum.beds.ac.uk/10.3390/sports4020026

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