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Efficacy Comparison of Jarlsberg- and Norvegia Cheese on Bone Markers and Bone Mineral Density in Nordic Skiers

NCT06688032 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2024-11-18

No results posted yet for this study

Summary

The study objective consists of the following two aims:

1. Compare the effect of daily intake of Jarlsberg and Norvegia cheese on bonehealth in active Cross Country- and Biathlon skiers of both sexes.
2. Compare the effect daily intake of Jarlsberg and Norvegia cheese in change of the metabolism , Muscle Strength, Muscle Mass and endurace in active Cross Country- and Biathlon skiers of both sexes.

Population and sampling; The study population consists of active skiers of both genders past 17 years of age for females and 18 years for males. The study sample concists of 30 female and 30 male skiers equally randomized to either Jarlsberg or Norvegia cheese for 24 weeks.

Study performance: Blood samples were collected at baseline and every eight week. Metabolism , Muscle Strength, Muscle Mass and endurance were recorded at start and at the end of the study. Diet and exercise volume were recorded and monitored every eight weeks together with daily cheese intake.

Conditions

  • Bone Health
  • Performance Enhancing Product Use

Interventions

OTHER

Jarlsberg cheese

Jarlsberg cheese contains Propionebacterium freudenreichii (PF) producing the K2-vitamer MK-9(4H) and DHNA in addition to the K2-vitamers found in Norvegia cheese

OTHER

Norvegia

Cheese with different content of K2 vitamers

Sponsors & Collaborators

  • Norwegian School of Sport Sciences

    collaborator OTHER

  • Meddoc

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
17 Years
Max Age
35 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2023-04-17
Primary Completion
2023-10-15
Completion
2023-10-15

Countries

  • Norway

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06688032 on ClinicalTrials.gov