Herb Profile
Wormwood
Botanical profile with evidence, safety, and practical fit.
Last reviewed:
C PreliminaryUse extra caution — Thujone containing preparations can be neurotoxic at high exposure and may provoke seizures. Details
- Evidence
- Limited Human Evidence
- Typical onset
- Varies by prep
- Safety rating
- High caution
- Best for
- Sleep, Cognitive function, Inflammatory signaling
- Avoid / review if
- Pregnancy/Breastfeeding, Seizure Disorder, Liver Disease
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Wormwood
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Where to go next — guides & comparisons
Continue reading
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Safety & Cautions
Thujone containing preparations can be neurotoxic at high exposure and may provoke seizures. Avoid concentrated essential oil or high thujone products.
28%
High caution — review carefully
Detailed safety fields
Pregnancy, breastfeeding, and contraindications
- - Pregnancy/Breastfeeding
- - Seizure Disorder
- - Liver Disease
- - Children
- - And Internal Essential Oil Use.
- - Avoid With Antiepileptics
- - Sedatives
- - Alcohol
- - And Other Neuroactive Supplements Or Medicines.
Safety classifications
- - Liver-Sensitive: Liver-related caution language appears in the profile.
- - Pregnancy/Breastfeeding Caution: Pregnancy or breastfeeding caution language is present.
Full safety note
- - Thujone containing preparations can be neurotoxic at high exposure and may provoke seizures. Avoid concentrated essential oil or high thujone products.
Safety labels
- - Liver-Sensitive
- - Pregnancy/Breastfeeding Caution
Evidence-based safety
Caution when combined
These pairings share a flagged risk mechanism. They are additive-effect cautions derived from contraindication data, not confirmed clinical interactions. Consult a clinician before combining.
Moderate Caution
68 flagged pairingsSedation / CNS depression
Moderate Caution
68 flagged pairingsSedation / CNS depression
Browse the grouped cautions below. The list scrolls inside this card when long.
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- Nicotiana Tabacum
- Oatstraw
- Ocimum Basilicum
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- Passionflower
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- Passionflower Extract
- Passionflower Extract (Standardized)
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- Polygala
- Poria
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- Sage
- Schisandra Berry
- Schisandra Chinensis
- Scutellaria Baicalensis
- Skullcap
- Shankhpushpi
- Sophora Flavescens
- theanine
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- Valerian
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Evidence Summary
Evidence lens
Early signal that needs stronger human replication before practical claims.
Human clinical evidence: Present in source signals
Mechanistic / preclinical: Mechanism mapped — Inflammatory Signaling Modulation · Neurotransmitter Modulation
Research maturity: Preliminary or mixed — Long Term Human Evidence May Be Limited.
Safety boundary: Safety note available — Thujone containing preparations can be neurotoxic at high exposure and may provoke seizures.
How evidence grades work
Each grade reflects the strength and consistency of published human evidence — not marketing claims. Grades are based on study count, design quality, effect size, consistency, and recency.
Strong
Multiple RCTs, consistent direction, adequate effect size
Moderate
Some RCTs or consistent observational data in humans
Preliminary / Mixed
Animal or in-vitro only, or conflicting human data
Traditional / Theoretical
Traditional use only; no controlled human trials
Dosing & Timing
Dose guidance
Preparation specific; use standardized product label for Use only regulated low thujone preparations and require source backed dosage review before therapeutic claims.
How Wormwood Works
Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.
Mechanism Pathway — How Wormwood Works
Mechanisms & Biological Pathways
Proposed mechanisms from in vitro and animal research; these do not confirm clinical outcomes in humans.
Condition guides
Compare & Sourcing
Compare side-by-side tradeoffs or verify active marker guidelines.
Review available sources for Wormwood
Independent database mapping — evaluated separately from safety and efficacy scores.
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Safety first · Harm reduction
This information is educational and not medical advice. Start low, avoid risky combinations, and consult a licensed clinician before making health decisions—especially if you use medications, have diagnosed conditions, or are pregnant/breastfeeding.
Learn how we evaluate confidence, safety, and intensity on the methodology page.
Editorial Review
Checked against primary sources, cited evidence, and contraindication language before publication. Evidence claims, safety language, and affiliate modules are reviewed independently. Not personal medical advice.
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Botanical profile context
How to interpret Wormwood
Wormwood dosage ranges, effects, drug interactions, and harm-reduction safety guide for sleep. Limited Human Evidence research evidence. Use this herb profile as a starting point for evidence review, not as a recommendation to start a new supplement. Botanical products can vary by plant part, extract ratio, standardization, dose, and contaminant testing, so two labels with the same common name may not behave the same way.
When reviewing Wormwood, compare the traditional-use context against the human evidence, mechanism notes, and safety cautions. Pay special attention to pregnancy, breastfeeding, liver or kidney disease, blood-pressure effects, sedation, stimulation, anticoagulant use, antidepressants, and any prescription medication overlap.
For product decisions, prefer transparent labels, named extracts, clear serving sizes, and third-party quality testing. Avoid treating a long list of possible mechanisms as proof that an herb will solve a specific condition.