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Archive for category: Studies

Amino Acid Supplements And Recovery From High Intensity Resistance Training

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01 May 2012 / 0 Comments / in Studies/by admin

Carwyn P.M. Sharp(1) and David R. Pearson(2)

Department of Health and Human Performance, College of Charleston, Charleston, South Carolina; and Strength Research Laboratory, Ball State University, Mucnie, IN
As Published in the Journal of Strength and Conditioning Research, Volume 24, Number 4, April 2010, 24(4)1125-1130

Abstract

Sharp, CPM and Pearson, DR. Amino acid supplements and recovery from high-intensity training. J Strength Cond Res 24(4): 1125-1130, 2010- The purpose of this study was to investigate whether short-term amino acid supplementation could maintain a short-term net anabolic hormonal profile and decrease muscle cell damage during a period of high-intensity resistance training (overreaching), thereby enhancing recovery and decreasing the risk of injury and illness.  Eight previously resistance trained males were randomly assigned to either a high branched chain amino acids (BCAA) or placebo group.  Subjects consumed the supplement for 3 weeks before commencing a fourth week of supplementation with concomitant high-intensity total-body resistance training (overreaching) (3 X 6-8 repetitions maximum, 8 exercises).  Blood was drawn prior to and after supplementation, then again after 2 and 4 days of training.  Serum testosterone levels were significantly higher (p < 0.001, and p = 0.004, respectively) in the BCAA group during and following resistance training.  These findings suggest that short-term amino acid supplementation, which is high in BCAA, may produce a net anabolic hormonal profile while attenuating training-induced increases in muscle tissue damage.  Athletes’ nutrient intake, which periodically increases amino acid intake to reflect the increased need for recovery during periods of overreaching, may increase subsequent competitive performance while decreasing the risk of injury or illness. Read more →

Reduced Body Fat For Women

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01 May 2012 / 0 Comments / in Studies/by admin
NUTRI-BUILD II Study Confirms Enhanced Lean Muscle
and Reduced Body Fat for Women
These comparisons are compiled from a 10 week double blind study conducted for Nutrient Technology Corporation by The Human Performance Laboratory at Ball State University and completed in November, 1998. The study involved the daily use of 5.6 grams of NUTRI-BUILD II (8 capsules) tested against an equal amount of placebo. NUTRI-BUILD II was used in support of an intense ten week resistance training program by female athletes. Pre and post exercise caloric intake were controlled in both groups during this study. All female participants in this study had not engaged in a resistance training program for an extended period of time. This fact appears to be the plausible explanation for the significant increases in strength in both groups. However, the NUTRI-BUILD II group experienced a very significant reduction in body fat, and a corresponding increase in lean muscle mass.

Measure NUTRI-BUILD II Placebo
Body Weight +1% +3%
Body Fat % -4% -0.8%
Lean Body Mass +4% +1%
Bench Press +17% +18%
Shoulder Press +8% +6%
Squat +25% +23%

Because of this significant increase in lean muscle mass, it is believed the strength gain differential between the groups would expand rather significantly in a subsequent period of training, as more muscle mass would be available to perform the resistance exercises.

In previous studies involving NUTRI-BUILD II, where highly trained male athletes were the participants, similar significant increases in lean muscle mass and corresponding significant decreases in body fat were observed. However, in those respective studies, where athletes had engaged in intense training oller a lengthy period of time, strength gains expanded significantly in the NUTRI-BUILD group versus the placebo group; thus evidencing the longer term positive impact of enhanced lean muscle mass on gains in strength.

NutriBuild II vs. Creatine

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01 May 2012 / 0 Comments / in Studies/by admin
A COMPARISON OF CREATINE MONOHYDRATE AND AMINO ACID
SUPPLEMENTATION, NUTRI-BUILD II, ON STRENGTH AND BODY COMPOSITION
FOLLOWING STRENGTH TRAINING IN COLLEGIATE FOOTBALL PLAYERS
D. Hamby, D. Pearson, B. McGovern, T. Harris, and W. Russell
Human Performance Laboratory

Ball State University
Muncie, IN 47306

The use of nutritional supplementation by collegiate varsity athletes to enhance performance has
never been greater. Numerous studies have shown the efficacy of using creatine monohydrate to
increase body mass and strength measures. However the use of creatine continues to come under
attack by medical agencies and the media. Amino acid supplementation, while less popular, has also
been shown to enhance performance, particularly the branched chain (BCAA’s) and glutamine. In an
attempt to delineate a difference between the use of these supplements two studies were performed
separated by one year. The same football players using the same strength program were compared
using creatine supplementation and a BCAA and glutamine supplement, NUTRI-BUILD II. The
following data represents the percentage change from baseline in the two studies.

BW LBM %BF Bench Squat Clean
Creatine +1.2 -0.3 +7.8 +3.3 +10.0 +5.8
Nutri-Build II +0.2 +3.0 -16.4 +5.6 +13.7 +10.3

While both groups showed strength gains over placebo groups the NUTRI-BUILD II appears to have a more profound effect on body composition. This effect on LBM and %BF is advantageous in most sports.

BCAA Branched Chain Amino Acids
BW Body Weight
LBM Lean Body Mass
%BF % Body Fat

Nutrition Supported By Research

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  • Chattin Hill- Atlanta HawksMay 1, 2012, 1:35 pm
  • Amino Acid Supplements And Recovery From High Intensity Resistance TrainingMay 1, 2012, 12:44 pm
  • Reduced Body Fat For WomenMay 1, 2012, 12:39 pm

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  • Amino Acid Supplements And Recovery From High Intensity Resistance TrainingMay 1, 2012, 12:44 pm
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  • NutriBuild II vs. CreatineMay 1, 2012, 12:37 pm

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