Whole Milk Versus Whey Protein Supplement and Resistance Exercise

Effects of Whole Milk Versus Whey Protein Supplementation With Resistance Exercise on Body Composition, Muscle Hypertrophy and Strength Changes in Healthy Individuals

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01580189

Enrollment

Registered

2012-04-18

Start date

2011-10-31

Completion date

2013-12-31

Last updated

2015-12-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Muscle Development

Keywords

Lean tissue, Strength condition, Protein, Amino Acid

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.

Interventions

DIETARY_SUPPLEMENTWhey protein

18g protein, immediately after training, 9 weeks

DIETARY_SUPPLEMENTChocolate milk

500ml chocolate milk, immediately after training, 9 weeks

DIETARY_SUPPLEMENTSugar

55-65g maltodextrin solution, immediately after training, 9 weeks

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

BASIC_SCIENCE

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

18 Years to 35 Years

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

Design outcomes

Primary

Measure	Time frame	Description
Body composition	9 weeks	DEXA for assessment of fat and lean tissue
Strength	9 weeks	1RM tests to assess changes in strength on various sport resistant exercise equipment

Secondary

Measure	Time frame	Description
Blood amino acid	9 weeks	Assessment of plasma amino acid profile at baseline, mid and end of the study.

Countries

Canada

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026