Effects of personalized supplements on the incidence of respiratory diseases

Not Applicable

• Conditions: J00-J06; Acute upper respiratory infections

• Registration Number: DRKS00023567
• Lead Sponsor: Technische Universität München

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2021-05-06
• Study Completion: 2022-04-25
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 95

Inclusion Criteria

older than 18 years old, principally resident in Germany, signed declaration of consent

Exclusion Criteria

Regular intake of supplements containing vitamin D, selenium, zinc, and/or omega-3/omega-6 fatty acids within the last three months

Known intolerances against carriers of the supplement (guar gum, apple powder, potato starch)

Intention to spend vacations in a country located in southern climes (increased exposure to sunlight)

Planned change of diet (e.g. change to vegetarianism, veganism)

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The main goal of the project is to analyze the influence of personalized supplements (vitamin D, selenium, zinc) on the infection rate of upper respiratory tract diseases by using Wisconsin upper respiratory symptom survey (WURSS).

Secondary Outcome Measures

Name	Time	Method
The influence of the supplements on blood values (before intervention (T0) and after intervention (T1)), sick days, symptoms of SARS-CoV-2, or influenza infection on upper respiratory tract diseases. Also, the nutritional behavior of participants will be recorded by using a questionnaire and analyzed.