Which supplement works better to improve immune function: krill oil or lactoferrin?

Ratings at a Glance

Supplement	Effectiveness Rating	Confidence Rating
Krill Oil
Lactoferrin

Effectiveness Rating: Krill Oil vs Lactoferrin

The effectiveness rating is a measure of the supplements' ability to improve immune function. This rating answers the question of whether or not a supplement does what it claims. The evidence backing up lactoferrin is great, while the evidence backing up krill oil is good. Lactoferrin should be able to improve immune function more effectively, however both supplements should provide positive results.

Confidence Rating: Krill Oil vs Lactoferrin

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 krill oil and lactoferrin have low confidence ratings. This means neither supplement has an adequate amount of research to back up this claim. A low confidence rating questions the validity of the effectiveness rating.