A 2021 meta-analysis of 40 clinical trials concluded that people who took DHA/EPA supplements had a 13% lower risk of a heart attack. Those who did were also 35% less likely to die.

The brain is around 60% fat and 10% to 20% of this fat is DHA. In the brain, this fat strengthens the delicate membranes that preserve our brain cells.

This makes omega 3s essential for the short- and long-term cognitive health. According to observational studies, people with diets richer in omega-3s have a lower likelihood of cognitive decline.

Limited data also suggests that supplementation with omega-3s may have positive effects.

Lower risk of depression

A 2019 review discovered that a dose of up to a gram of omega-3s daily can better symptoms of depression.

But, more research is needed to understand the benefits of omega-3s for depression.

A healthy pregnancy
The EPA and DHA from fish