Omega-3 Source
Fish Oil
A widely used supplement providing DHA and EPA to support brain function and long-term cognitive health.
KÖGN Health grades Fish Oil as A+ (Strong evidence) and rates it 4.5 out of 5.
Last reviewed · June 2026
Primary effects
- Improved brain health
- Memory support
- Reduced inflammation
How it works
Supplies essential omega-3 fatty acids that support brain structure, function, and inflammation control.
Overview
Fish oil is one of the most commonly recommended supplements for cognitive health due to its high content of DHA and EPA. It supports both structural integrity and functional performance of the brain. Benefits are most noticeable over time, particularly in individuals with low omega-3 intake. Product quality and purity are important factors in effectiveness.
Related ingredients
Graded entries that target the same cognitive goals.
Categories
Educational information, not medical advice. The evidence grade is KÖGN’s editorial assessment of published research, not a health claim. Speak to a qualified clinician before changing what you take.