- There are reports suggesting that omega-3 fatty acids may have a positive effect on mood.
- The evidence score is 74, and reliability can be considered moderate.
- This content is relevant to those with concerns about their day-to-day mood.
Omega-3 fatty acids are a type of lipid taken through diet or supplements.
In a nutritional context, they are generally treated as a substance related to maintaining health.
Past research has produced some suggestions about how taking omega-3 fatty acids may be related to our state of mind.
Studies have been reported suggesting that omega-3 fatty acids have a positive effect on mood.
This indicates the possibility that intake may offer some help in connection with low mood. In other words, it is thought that a dietary approach may have some connection to mental wellbeing.
These findings are based on a systematic review (a method that comprehensively searches out and evaluates the content of related past research) that gathered and organized existing related studies without omission. This analysis involved as many as 1,840 people in total. Because so many people were involved, an overall trend is easier to see than with a small individual study.
Through what specific process, exactly, were these reports arrived at?
A suggestion has been obtained regarding the possibility that omega-3 fatty acids may be effective for mood disorders.
This is shown in the form of a meta-analysis (a statistical method that combines multiple research data to search for a more reliable conclusion), which mathematically combines the results of multiple studies to reveal an overall trend.
According to this kind of analysis, it has become apparent that omega-3 fatty acids may be helpful for people with mood disorders (a state involving ongoing low mood or mood fluctuation). However, there are also reports that no effect has been shown for manic states (a state in which mood is abnormally elevated and one becomes overly active).
There is also some data on the timing and duration of intake.
In some studies, investigations were conducted over a period of 4 to 16 weeks.
This means the effect of the diet was observed over a period of several months. In other words, effects over a certain length of time, rather than a temporary change, were examined.
However, this information is based on only 2 studies. Since the scale and subjects of the research vary, this does not necessarily apply the same way to everyone, and it may not suit some people.
| Study | Design | Number of participants | Duration | Main result |
|---|---|---|---|---|
| Current Opinion in Investigational Drugs (London, England: 2000) (2008, PMID:18183532) | Systematic review | Unknown | Unknown | A positive effect was reported |
| Psychopharmacology Bulletin (2009, PMID:19752840) | Meta-analysis | 1,840 people | Unknown | A positive effect was reported |
This research targets patients with mood disorders involving unipolar and bipolar depression, 1,840 people in total.
Because the subjects are in a specific condition, this can serve as a reference point when considering whether it applies to you.
The research data is based on 2 reports. These are a systematic review and a meta-analysis.
No randomized controlled trials (RCTs) are included in this research.
In addition, while there are reports concerning mood disorders, no effect on manic states has been suggested.
What effect might omega-3 fatty acids have on mood?
Studies have been reported suggesting that omega-3 fatty acids may have a positive effect on mood. The reliability of this result is moderate.
Is the effect of omega-3 fatty acids addressed for all mood disorders?
According to the results of the meta-analysis, a possible effect is suggested for depressive states. On the other hand, no effect on manic states is addressed.
What intake periods have been used for omega-3 fatty acids in these studies?
Among the research examples, some were conducted over a set period. Specifically, periods of 4 to 16 weeks have been used.
It has been reported that omega-3 fatty acids may have a positive effect on mood. However, this information is based on only 2 studies, and no effect on manic states has been shown. Because the number of studies is limited, it's worth understanding that some aspects cannot be called certain. Why not start by using the self-check assessment to take an objective look at your current state?