Which supplement works better to improve cognitive ability: docosahexaenoic acid (dha) or eicosapentaenoic acid (epa)?

Ratings at a Glance

Supplement	Effectiveness Rating	Confidence Rating
Docosahexaenoic Acid (DHA)
Eicosapentaenoic Acid (EPA)

Effectiveness Rating: Docosahexaenoic Acid (DHA) vs Eicosapentaenoic Acid (EPA)

The effectiveness rating is a measure of the supplements' ability to improve cognitive ability. This rating answers the question of whether or not a supplement does what it claims. The evidence shows neither docosahexaenoic acid (dha) nor eicosapentaenoic acid (epa) has the ability to improve cognitive ability. Neither supplement will provide positive results for this claim.

Confidence Rating: Docosahexaenoic Acid (DHA) vs Eicosapentaenoic Acid (EPA)

Another factor to take into account when comparing supplements is the confidence rating. This rating is a measure of how valid each supplement's effectiveness rating is. Remember, the confidence rating is a measure of how much you can trust the effectiveness rating. This rating is based on how many studies are included in the database on a supplement's claims. Ideally, you want a high effectiveness AND confidence rating.

Both docosahexaenoic acid (dha) and eicosapentaenoic acid (epa) have great confidence rating. This means both supplement's effectiveness ratings above are valid.