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Whole Milk Versus Whey Protein Supplement and Resistance Exercise

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01580189
Recruitment Status : Completed
First Posted : April 18, 2012
Last Update Posted : December 8, 2015
Information provided by (Responsible Party):
University of Manitoba

Brief Summary:
The purpose of the study is to examine the effects of consuming protein supplement (whey) compared to whole milk immediately after bouts of resistance training on muscular strength and body composition.

Condition or disease Intervention/treatment Phase
Muscle Development Dietary Supplement: Whey protein Dietary Supplement: Chocolate milk Dietary Supplement: Sugar Not Applicable

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 32 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single (Participant)
Primary Purpose: Basic Science
Official Title: Effects of Whole Milk Versus Whey Protein Supplementation With Resistance Exercise on Body Composition, Muscle Hypertrophy and Strength Changes in Healthy Individuals
Study Start Date : October 2011
Actual Primary Completion Date : October 2012
Actual Study Completion Date : December 2013

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Active Comparator: Milk
Chocolate milk compared to protein supplement
Dietary Supplement: Whey protein
18g protein, immediately after training, 9 weeks
Other Name: protein supplement

Active Comparator: Whey protein
Whey protein compared to milk
Dietary Supplement: Chocolate milk
500ml chocolate milk, immediately after training, 9 weeks
Other Name: Milk

Placebo Comparator: Sugar
Maltodextrin compared to treatments
Dietary Supplement: Sugar
55-65g maltodextrin solution, immediately after training, 9 weeks
Other Name: Maltodextrin

Primary Outcome Measures :
  1. Body composition [ Time Frame: 9 weeks ]
    DEXA for assessment of fat and lean tissue

  2. Strength [ Time Frame: 9 weeks ]
    1RM tests to assess changes in strength on various sport resistant exercise equipment

Secondary Outcome Measures :
  1. Blood amino acid [ Time Frame: 9 weeks ]
    Assessment of plasma amino acid profile at baseline, mid and end of the study.

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years to 35 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • healthy
  • currently working out at least 3 times per week

Exclusion Criteria:

  • taken any ergogenic aid/sport supplements in the last 2 months

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01580189

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Canada, Manitoba
Richardson Centre for Functional Foods and Nutraceuticals
Winnipeg, Manitoba, Canada, R3T 2N2
Sponsors and Collaborators
University of Manitoba
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Principal Investigator: Semone B Myrie, PhD University of Manitoba

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Responsible Party: University of Manitoba Identifier: NCT01580189    
Other Study ID Numbers: B2011:068
First Posted: April 18, 2012    Key Record Dates
Last Update Posted: December 8, 2015
Last Verified: December 2015
Keywords provided by University of Manitoba:
Lean tissue
Strength condition
Amino Acid