Valerian root is an herbal supplement thought to promote sleep and reduce anxiety by modulating the neurotransmitter GABA. Its primary relevance to healthspan is indirect; by potentially improving sleep quality, it supports foundational processes like cellular repair, glymphatic clearance, and hormonal regulation, which are critical for long-term brain and metabolic health.
Verdict
A low-risk, low-cost option for mild sleep issues; evidence is mixed.
HEALTHSPAN IMPACT
Moderate
RISK LEVEL
Low
EVIDENCE GRADE
B
MONTHLY COST
$10 - $25
Protocol
- Take 300-600 mg of standardized extract containing 0.8% valerenic acid 30-120 minutes before bedtime.
Flags
- May interact with sedatives, alcohol, and other CNS depressants.
- Long-term safety data beyond a few months is limited.
- Avoid during pregnancy and breastfeeding due to lack of safety data.
- May cause mild side effects like headache, dizziness, or stomach upset.