Metabolic and Appetite Parameters Following Addition of Whey Protein to a Carbohydrate-based Breakfast

The Influence of Whey Protein Addition to a Carbohydrate-based Breakfast on Metabolic and Appetite Parameters Following a Second Meal

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT02414061

Enrollment

Registered

2015-04-10

Start date

2014-04-30

Completion date

2014-09-30

Last updated

2015-04-13

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

Conditions

Healthy

Keywords

Postprandial glycemia, metabolic health measures

Brief summary

The purpose of this study is to investigate whether the addition of whey protein to a breakfast high in carbohydrate content will influence acute metabolic and appetite responses, as well as responses to a subsequent lunch meal.

Interventions

DIETARY_SUPPLEMENTWhey Protein (Arla Foods Ingredients Group)

20 g whey protein isolate added to breakfast meal

OTHERBreakfast meal

Carbohydrate breakfast served as a standard portion (1799 kJ, 93/2/9% energy from carbohydrate/fat/protein)

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

BASIC_SCIENCE

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

MALE

Age

18 Years to 40 Years

Healthy volunteers

Yes

Inclusion criteria

* Aged 18-40 years old (male) * Recreationally active (\>30 minutes of structured exercise, 5 times/week)

Exclusion criteria

* Metabolic disease (e.g. Type 2 diabetes, thyroid disorders) * Taking any prescribed medication * Regular breakfast skipper * Food allergies or intolerances * Eating disorders * Smoker

Design outcomes

Primary

Measure	Time frame	Description
Postprandial blood glucose responses	0-360 minutes post breakfast	Blood glucose concentration determined in whole blood sampled at regular intervals post-breakfast and post-lunch

Secondary

Measure	Time frame	Description
Acute subjective appetite responses	0-360 minutes post breakfast	Subjective appetite ratings determined from Visual Analogue Scales sampled at regular intervals

Countries

United Kingdom

Outcome results

None listed

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