The overall rating for valerian is 2 out of 3 meaning there is some evidence that this supplement does some (not all) of what it claims. Using this supplement may lead to some improvements.

Table of Contents

  1. Simple Report
  2. Detailed Report
  3. Overall Effectiveness Rating
  4. Research Rating
  5. Products Containing Valerian
  6. Claim Ratings
  7. Dosing
  8. References

Valerian Simple Report

  • Supplement: Valerian
  • Supplement Category: plant and food extracts
  • Number of Products Containing Valerian: 110
  • Effectiveness Rating: 2 out of 3
  • Research Rating: 80 (above 80 indicates sufficient research)
  • Number of Studies: 4
  • Number of Claims: 1
  • Effective Dosage Range: 0.16 - 1.06 grams per day

Valerian Detailed Report

Overall Effectiveness Rating

The overall effectiveness rating for valerian is 2 out of 3. This rating means the evidence is mixed on the supplement's ability to deliver positive results. While some of the research supports its use, other evidence does not. Using this supplement may lead to positive results. Note, this effectiveness rating is for valerian as a whole; there are also individual ratings for the claims below.

Read more: What is the effectiveness rating?

Research Rating for Valerian

There are 4 studies in the database on valerian; the research rating is 80. 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 research rating is for valerian as a whole; there are also individual ratings for the claims below.

Read more: What is the research rating?

Products Containing Valerian

Products Names Amount of Valerian
Relax-ALL 500mg
Rest and Recovery 255mg
4 Your Recovery Amount not listed.
Define Sleep 255mg
Dream Sleep 50mg
Full list of all 110 products containing Valerian.

Claim Ratings

The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.

General Health Claims Effectiveness Rating Research Rating
improve sleep quality


The Supplement Database includes 4 studies on valerian dosing. These studies indicate an effective dose ranges from 0.16 to 1.06 grams per day, the average dose being 0.56 grams per day. For a more detailed dosing analysis visit: Supplement Dosing for Valerian.


Title of Study
A randomized clinical trial of valerian fails to improve self-reported, polysomnographic, and actigraphic sleep in older women with insomnia
Effect of valerian on sleep quality in postmenopausal women: a randomized placebo-controlled clinical trial
The Use of Valeriana Officinalis (Valerian) in Improving Sleep in Patients Who Are Undergoing Treatment for Cancer: A Phase III Randomized, Placebo-Controlled, Double-Blind Study
Valerian/lemon balm use for sleep disorders during menopause