Which supplement works better to improve sleep quality: pyrroloquinoline quinone or valerian?

Ratings at a Glance

Supplement	Effectiveness Rating	Confidence Rating
Pyrroloquinoline Quinone
Valerian

Effectiveness Rating: Pyrroloquinoline Quinone vs Valerian

The effectiveness rating is a measure of the supplements' ability to improve sleep quality. This rating answers the question of whether or not a supplement does what it claims. The evidence backing up pyrroloquinoline quinone is great, while the evidence backing up valerian is good. Pyrroloquinoline Quinone should be able to improve sleep quality more effectively, however both supplements should provide positive results.

Confidence Rating: Pyrroloquinoline Quinone vs Valerian

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.

Valerian's confidence rating is higher than pyrroloquinoline quinone's. This means valerian's effectiveness rating from above is more valid. This does not necessarily mean that valerian works better, it simply means the evidence (included in this database) backing up valerian is more established.