Fish oil fights diabetes? study tests Omega-3s for blood sugar control

NCT ID NCT07677995

ENROLLING_BY_INVITATION Disease control Sponsor: University of Ulster Source: ClinicalTrials.gov ↗

First seen Jul 01, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study investigates whether omega-3 fatty acids, natural fats found in fish and flaxseed, can help manage blood sugar and reduce inflammation in people with type 2 diabetes and heart disease. Participants take omega-3 supplements or a placebo for 28 days, and researchers measure changes in fasting glucose and other markers. The goal is to see if this safe, natural supplement can slow diabetes progression and lower cardiovascular risk.

What this could mean

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

Active substance: Omega-3 fatty acids
What this could lead to: If omega-3s prove effective, they could offer a simple, natural supplement to help manage blood sugar and heart health in type 2 diabetes.
What could go wrong: This is a small, early-stage trial with only 60 participants, so results may not apply widely. Omega-3s may not lower blood sugar significantly, and the study does not test long-term effects.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder prediabetes syndrome type 2 diabetes mellitus

As listed by the trial registrant

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

CARDIOVASCULAR DISEASE OMEGA-3 FATTY ACIDS TYPE 2 DIABETES

Contacts and locations

Locations

School of Biomedical Sciences

Coleraine, County Londonderry, BT52 1SA, United Kingdom

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