Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Omega-3 fatty acids, particularly EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), have been scientifically investigated for their effects on cognitive function, including symptoms often described as "brain fog" or "cloudy thinking." These essential fatty acids are integral components of neuronal cell membranes and play roles in neurotransmission and anti-inflammatory processes in the brain. Several observational studies and randomized controlled trials (RCTs) suggest that omega-3 supplementation may modestly improve cognitive performance, especially in older adults, those with mild cognitive impairment, or individuals with low baseline omega-3 intake.

For example, a meta-analysis published in the journal Neurology (2016) found that higher dietary intake of omega-3s was associated with less cognitive decline in aging populations. Another RCT in Alzheimer’s & Dementia (2018) reported improvements in cognitive scores among participants receiving omega-3 supplementation compared to placebo. However, not all studies find benefit, and effects in healthy young adults or those without deficiency are less consistently observed.

Overall, the evidence points to a moderate scientific basis (rated 3 out of 5) for using omega-3 fatty acids to support cognitive clarity, particularly in populations at risk for cognitive decline or with diets low in omega-3s. More research is needed to determine optimal dosing, target populations, and long-term effects. Omega-3s are not a cure-all, but they may be a helpful component of a broader strategy to support brain health.

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Nature's Sunshine Flax Seed Oil (With Lignans)