Which supplement works better to improve memory: caffeine anhydrous or eicosapentaenoic acid (epa)?

Ratings at a Glance

Supplement	Effectiveness Rating	Confidence Rating
Caffeine Anhydrous
Eicosapentaenoic Acid (EPA)

Effectiveness Rating: Caffeine Anhydrous vs Eicosapentaenoic Acid (EPA)

The effectiveness rating is a measure of the supplements' ability to improve memory. This rating answers the question of whether or not a supplement does what it claims. Both caffeine anhydrous and eicosapentaenoic acid (epa) have good (but not great) evidence showing they may be able to improve memory. Both supplements should provide some positive results.

Confidence Rating: Caffeine Anhydrous 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.

Eicosapentaenoic Acid (EPA)'s confidence rating is higher than caffeine anhydrous's. This means eicosapentaenoic acid (epa)'s effectiveness rating from above is more valid. This does not necessarily mean that eicosapentaenoic acid (epa) works better, it simply means the evidence (included in this database) backing up eicosapentaenoic acid (epa) is more established.