Can a daily supplement shorten your cold? new study in seniors aims to find out

NCT ID NCT07431840

Recruiting now Disease control Sponsor: Quantec Ltd Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing whether a dietary supplement called IDP (Immune Defense Protein) can reduce the length and severity of cold and flu symptoms in people aged 60 and older. About 300 participants will take either a low or high dose of IDP or a placebo daily during cold and flu season. They will report their symptoms at home using a smartphone app, so no clinic visits are needed.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: IDP (Immune Defense Protein) dietary supplement
What this could lead to: If it works, this could provide a simple, over-the-counter supplement to help older adults have milder and shorter colds or flu.
What could go wrong: This is an early-stage, consumer-driven study with self-reported data, so results may be less reliable. Supplements often show limited benefit in rigorous trials.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

common cold influenza pneumonia Respiration Disorders upper respiratory tract disorder viral respiratory tract infection

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

INFLUENZA UPPER RESPIRATORY DISEASE VIRAL UPPER RESPIRATORY INFECTION

Contacts and locations

Locations

People Science, Inc.
RECRUITING

Los Angeles, California, 90045, United States

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