Fish Oil

Does fish oil work?

Overall Effectiveness Rating for Fish Oil

The overall effectiveness rating for fish oil is 2.5 out of 3. This rating means there is ample evidence that using fish oil will lead to positive results.

Overall Confidence Rating for Fish Oil

There are 14 studies in the database on fish oil; the confidence rating is 36. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for fish oil as a whole. There are also individual ratings for the claims below.

Individual Claims

The overall ratings above do no necessarily reflect each claim about fish oil. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

Body Composition (weight, muscle, body fat) Claims Effectiveness Rating Confidence Rating
decrease body fat
increase fat burning

Performance Claims Effectiveness Rating Confidence Rating
improve cycling performance
improve sports performance
decrease fatigue

Cardiovascular Health Claims Effectiveness Rating Confidence Rating
lower blood pressure
lower LDL (bad) cholesterol levels
increase HDL (good) cholesterol levels
lower total cholesterol levels
lower triglyceride levels
improve heart rate variability

Recovery Claims Effectiveness Rating Confidence Rating
improve recovery
reduce muscle damage
reduce muscle soreness