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Omega-3 Supplements: A Safe and Effective Way to Reduce Aggression

Aggressive behavior is a significant issue affecting both children and adults, leading to a range of social and personal problems. Recent research provides promising news: omega-3 supplements can help reduce aggression. A comprehensive meta-analysis, published in the journal "Aggressive Behavior," has reviewed 28 randomized controlled trials (RCTs) involving 3918 participants, revealing that omega-3 supplementation significantly reduces aggression in both children and adults.

Key Findings: 

   Broad Impact: The analysis found that omega-3 supplements reduce different forms of aggression across various demographics and settings, from community environments to clinical and criminal justice systems.

    Significant Reduction: The study reported modest but significant reductions in aggression, with effect sizes of 0.16 to 0.28, averaging at 0.22.

    Consistent Results: The benefits of omega-3 were consistent regardless of age, gender, diagnosis, treatment duration, and dosage, highlighting its universal applicability.

    Types of Aggression: Omega-3 supplements were effective in reducing both reactive and proactive forms of aggression, with notable improvements in self-reported measures.


Why Omega-3?


Omega-3 fatty acids are essential nutrients found in fish oil and certain plant oils. They are known for their numerous health benefits, including improving heart health, supporting brain function, and now, reducing aggressive behavior. This makes omega-3 a safe, cheap, and healthy intervention to manage aggression.

Implementation and Benefits:


Given the strong evidence from this meta-analysis, it's time to consider omega-3 supplements as a viable option for reducing aggression. This intervention is not only accessible but also easy to implement across different settings, including schools, clinics, and correctional facilities. By incorporating omega-3 into daily routines, individuals and communities can potentially see a decrease in aggressive behavior, leading to a more harmonious and safer environment.



With sufficient evidence supporting the positive impact of omega-3 supplements on aggression, health professionals and policymakers should consider integrating this simple yet effective strategy into their programs. Whether for personal use or as part of a larger public health initiative, omega-3 supplementation offers a promising solution to the challenge of managing aggressive behavior.


Raine, A. and L. Brodrick, Omega-3 supplementation reduces aggressive behavior: A meta-analytic review of randomized controlled trials. Aggression and Violent Behavior, 2024. 78: p. 101956.

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