Omega Cold fish oil with free fatty acids to see if it lowers viral infections in adults

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

In this randomized, placebo-controlled trial, 400 generally healthy adults will be assigned to receive either Omega Cold fish oil containing 2% free fatty acids or a vegetable oil placebo twice daily for four months, with no changes to other habits. Participants will report weekly health and symptom data related to cold and flu illnesses. The study aims to determine if the intervention changes susceptibility to viral infections and influences illness progression. Recruitment targets include 100 participants in 2025-2026 and 300 in 2026-2027, with follow-up during the winter seasons.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* to be in general good health
* 18 to 80 years of age
* willing and able to take fish oil orally.

Exclusion Criteria:

* younger than 18 years
* older than 80 years

Where it's running

• Matís ohf.
  Reykjavik, Iceland Recruiting

Study contacts

• Principal investigator: Magnús Gottfreðsson, MD, PhD — Landspitali, University of Iceland
• Study coordinator: Aðalheiður Ólafsdóttir, B.Sc
• Email: adalheiduro@matis.is
• Phone: 8585010

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.