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Aggression

Aggression (the opposite of calmness) is a confrontational behaviour that may be affected by supplementation or drugs.

Kamal
Research analysis lead by Kamal Patel
All content reviewed by Examine.com Team. Published:
Last Updated:

Things To Know & Note

Also Known As

Anger

Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect aggression
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The mo re evidence, the more we can trust the results.
Outcome Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-c Fish Oil Minor - See study
A decrease in aggression has been noted, which is thought to be secondary to improvements in mood state and general well being
grade-c Kava Minor - See study
Aggressive symptoms of anxiety have been noted to be decreased following kava ingestion, an outright reduction of anxiety (without treating anxiety) is uncertain
grade-c L-Carnitine Minor - See study
Secondary to reducing symptoms of ADHD, L-carnitine may reduce aggression in children.
grade-c Piracetam Minor - See study
In persons with cognitive decline, supplementation of Piracetam was able to reduce aggression and agitation symptoms.
grade-c Zinc  
grade-d Melissa officinalis  

All comparative evidence is now gathered in our ​A-to-Z Supplement Reference.

The evidence for each separate supplement is still freely available ​here.