Skrevet av Emne: Studie som sammenligner effekten av kreatin ethyl ester og monohydrat  (Lest 11424 ganger)

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The effects of creatine ethyl ester supplementation combined with heavy resistance training on body composition, muscle performance, and serum and muscle creatine levels

Mike Spillane , Ryan Schoch , Matt Cooke , Travis Harvey , Mike Greenwood , Richard Kreider  and Darryn S Willoughby

Journal of the International Society of Sports Nutrition 2009, 6:6doi:10.1186/1550-2783-6-6

Published: 19 February 2009


This study examined how a seven-week supplementation regimen combined with resistance training affected body composition, muscle mass, muscle strength and power, serum and muscle creatine levels, and serum creatinine levels in 30 non-resistance-trained males. In a double-blind manner, participants were randomly assigned to a maltodextrose placebo (PLA), creatine monohydrate (CRT), or creatine ethyl ester (CEE) group. The supplements were orally ingested at a dose of 0.30 g/kg fat-free body mass (approximately 20 g/day) for five days followed by ingestion at 0.075 g/kg fat free mass (approximately 5 g/day) for 42 days. Results showed significantly higher serum creatine concentrations in PLA (p = 0.007) and CRT (p = 0.005) compared to CEE. Serum creatinine was greater in CEE compared to the PLA (p = 0.001) and CRT (p = 0.001) and increased at days 6, 27, and 48. Total muscle creatine content was significantly higher in CRT (p = 0.026) and CEE (p = 0.041) compared to PLA, with no differences between CRT and CEE. Significant changes over time were observed for body composition, body water, muscle strength and power variables, but no significant differences were observed between groups. In conclusion, when compared to creatine monohydrate, creatine ethyl ester was not as effective at increasing serum and muscle creatine levels or in improving body composition, muscle mass, strength, and power. Therefore, the improvements in these variables can most likely be attributed to the training protocol itself, rather than the supplementation regimen.

http://www.jissn.com/content/pdf/1550-2783-6-6.pdf


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Hmm...Hadde akkurat tenkt å poste denne. Monohydrat er "the shit" fortsatt!
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Hmm...Hadde akkurat tenkt å poste denne. Monohydrat er "the shit" fortsatt!

Hell yes.
Alt er relativt.

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