Vitamin D Status and Supplementation in Athletes

The objectives of this study are 1) to assess the prevalence of vitamin D deficiency in a group of sub elite athletes and 2) to identify seasonal changes in vitamin D status and the effect that supplementation may have during the course of a year.

The study is a double blinded parallel study design.

Completed

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Key information

Conditions

Vitamin D Deficiency Avitaminosis Deficiency Diseases Malnutrition Nutrition Disorders Nutritional and Metabolic Diseases

Age range

18 year–60 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Wageningen University

Wageningen, Netherlands

About this study

Study population: 175 elite/ sub elite athletes, male and female, aged 18-60y, from a variety of sport disciplines

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

athletes
19-60y

Exclusion criteria

subjects who take vitamin D supplements

Treatment and study plan

Vitamin D

Dietary Supplement

Primary outcomes

Change in serum 25(OH)D

Time frame: Every 3 months during one year

Sponsors and collaborators

Lead sponsor

Wageningen University

Other

Registry information

Official study title

Vitamin D Status and Supplementation in Elite Athletes

Acronym: D-status

Important dates

Study start: 2012
Primary completion: 2014
Study completion: 2014
First posted: Dec 11, 2013
Registry last updated: Dec 15, 2014

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed