Source: Examine.com — Valerian — 300–600 mg of root extract before bed for sleep quality.
A traditional sedative herb for sleep and anxiety.
Appears to increase GABA activity in the brain.
Generally safe. Can cause grogginess or vivid dreams; has a strong odor. Evidence is modest and mixed — it works well for some, not others.
| Per serving | |
|---|---|
| Typical branded single-ingredient product | $0.33 |
| Bulk powder at the clinical dose (250g, $25.97) | $0.05 |
Buying bulk powder instead of a branded bottle saves about 86% per serving.
Bulk price: $25.97/250g →Educational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-07-21. Expensive Powder has no sponsors; bulk links may earn an affiliate commission, which never affects a grade. Talk to a clinician before starting any supplement.