Effect of a High Calcium Breakfast on Exercise Metabolism and Appetite

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01358591

Enrollment

Registered

2011-05-23

Start date

2011-05-31

Completion date

2011-11-30

Last updated

2012-06-05

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

Conditions

Exercise Fat Oxidation

Brief summary

The purpose of this study is to assess the effect of a high calcium breakfast on substrate metabolism during exercise and appetite throughout the day.

Interventions

DIETARY_SUPPLEMENTHigh calcium milk

High calcium milk (9 mg/kgBM)

DIETARY_SUPPLEMENTControl

Regular Milk

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

BASIC_SCIENCE

Masking

DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender

MALE

Age

18 Years to 45 Years

Healthy volunteers

Yes

Inclusion criteria

* Male * Aged 18-45 years * Physically active - able to run continuously for 1 h.

Exclusion criteria

* Smokers * Food Allergies * Metabolic Disorders * Consuming herbal/dietary supplements * Gastric Problems

Design outcomes

Primary

Measure	Time frame	Description
Total fat oxidised during 60 min of exercise (g).	1 hour	Assessed by indirect calorimetry

Secondary

Measure	Time frame	Description
Blood glucose concentration	2 hour	2 h incremental area under the curve for blood glucose following breakfast consumption
Serum Insulin Concentration	2 hour	2 h area under the curve for serum insulin following breakfast consumption
Subjective appetite ratings	3 hour	Subjective ratings of appetite assessed by visual analogue scales.

Countries

United Kingdom

Outcome results

None listed

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