Chicken soup for the brain? study tests daily supplements to ward off cognitive decline

NCT ID NCT04555655

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether taking a daily chicken extract or a peptide supplement for two years could help prevent memory and thinking problems in healthy older adults aged 55 to 75. A total of 276 participants were randomly assigned to receive one of the two supplements or a placebo. The goal was to see if these supplements could slow cognitive decline and understand how they might work in the body.

What this could mean

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

Active substance

chicken extract supplement and peptide supplement

What this could lead to

If effective, these supplements could offer a simple, daily way to help maintain memory and thinking skills in older adults.

What could go wrong

This is an early-phase study, so results are preliminary. The supplements may not work better than placebo, and any benefits might be small or not apply to everyone.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for AGING are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction subjective cognitive decline

As listed by the trial registrant

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

Contacts and locations

Locations

  • National Cheng Kung University Hospital

    Tainan, 704, Taiwan

  • Taipei Medical University Hospital Shuang Ho Hospital

    New Taipei City, 235, Taiwan

  • Taoyuan Chang Gung Memorial Hospital

    Taoyuan, 333, Taiwan