Effects of High-protein Milk Supplementation on Muscular Strength and Power, Body Composition, and Skeletal Muscle Regulatory Markers Following Heavy Resistance Training in Resistance-trained Men
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- Marymount University
- Enrollment
- 30
- Locations
- 1
- Primary Endpoint
- Body composition
Study Overview
Brief Summary
Post-resistance training high protein milk supplementation may be a viable method to elicit muscular gains.
The investigators hypothesis is that high protein milk supplementation would improve skeletal regulatory markers, hormonal responses and body composition in resistance-trained men.
Detailed Description
The aim of this investigation was to compare the effects of high protein milk supplementation (daily and after training sessions) during 6 weeks of resistance training on skeletal muscle regulatory markers, hormonal responses and body composition in resistance-trained men. Specific aims of the study are to:
To investigate the extent to which high protein milk supplementation will improve anabolic factors, lean body mass, fat mass and decrease catabolic markers after 6 weeks of resistance training in resistance-trained men.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Basic Science
- Masking
- Double (Participant, Outcomes Assessor)
Eligibility Criteria
- Ages
- 18 Years to 35 Years (Adult)
- Sex
- Male
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •Aged 18-35 years of age
- •Healthy Males
- •Experienced at resistance training (at least 1 year of prior structured resistance training 3 x week).
Exclusion Criteria
- •chronic alcohol consumption
- •having any medical issues and diseases
- •lactose intolerance
- •the consumption of any dietary supplements (including vitamins or protein supplements) or medications for 6 months prior to participation
Arms & Interventions
High protein milk
Experimental: High protein milk consumption This arm involved High protein milk whole consumption concomitant with 6 weeks of resistance training. Subject ingested consumed 1 x 250 mL immediately after resistance training and 1 x 250 mL half an hour before bedtime.
Intervention: high protein milk (Dietary Supplement)
High protein milk
Experimental: High protein milk consumption This arm involved High protein milk whole consumption concomitant with 6 weeks of resistance training. Subject ingested consumed 1 x 250 mL immediately after resistance training and 1 x 250 mL half an hour before bedtime.
Intervention: Placebo (Dietary Supplement)
Placebo
This arm involved consumption of a maltodextrin drink with a 9% solution with a vanilla flavor concomitant with 6 weeks of resistance training. Subject ingested consumed 1 x 250 mL immediately after resistance training and 1 x 250 mL half an hour before bedtime. drink r
Intervention: high protein milk (Dietary Supplement)
Placebo
This arm involved consumption of a maltodextrin drink with a 9% solution with a vanilla flavor concomitant with 6 weeks of resistance training. Subject ingested consumed 1 x 250 mL immediately after resistance training and 1 x 250 mL half an hour before bedtime. drink r
Intervention: Placebo (Dietary Supplement)
Outcomes
Primary Outcomes
Body composition
Time Frame: 6 weeks
Lean body mass and body fatness will be evaluated using bioelectrical impedance
Circulatory hormone levels
Time Frame: 6 weeks
Fasting blood samples were collected from the antecubital vein using standard procedures and then analyzed to establish concentrations of testosterone, IGF-1, growth hormone, insulin and cortisol
Circulatory Myokines levels
Time Frame: 6 weeks
Fasting blood samples were collected from the antecubital vein using standard procedures and then analyzed to establish concentration of myostatin and follistatin.
Secondary Outcomes
- Muscular Strength(6 weeks)
- Muscular Power(6 weeks)
Investigators
Alexei Wong
Assistant Professor
Marymount University